人教版必修三READING语法填空学案 WORD版含解析.docx

1、人教版必修三reading语法填空学案1.Unit 1, Book 3 Festivals and celebrationsFestivals and celebrations of all kinds _1_(hold)everywhere since ancient times.Most ancient festivals would celebrate the end of cold weather,_2_(plant) in spring and harvest in _3_.Sometimes celebrations would be held _4_ hunters had ca

2、ught animals.At that time people would starve if food was difficult_5_(find),_6_(especial) during the cold winter months.Todays festivals have many origins ,some religious,some seasonal, and some for special people or events. Some festivals are held to honour the dead or to satisfy the ancestors,_7_

3、 might return either to help _8_ to do harm.For the Japanese festival.Obon,people should go to clean graves and light incense _9_ memory of their ancestors.They also light lamps and play music _10_ they think that this will lead the ancestors back to earth.Key: 1. have been held 2. planting 3. autum

4、n 4. after 5. to find 6. especially 7. who 8. or 9. in 10. because2.Unit 1, Book 3 Festivals and celebrationsThe most energetic and important festivals are the ones that look forward _1_ the end of winter and to the coming of spring.At the Spring Festival in China,people eat dumplings,fish _2_ meat

5、and may give children lucky money in red paper.There are dragon dances and carnivals,and families celebrate the Lunar New Year together.Some Western countries have very _3_(excite) carnivals,_4_ take place forty days before Easter,_5_(usual) in February.These carnivals might include parades,dancing

6、in the streets day and night,loud music and _6_(colour) clothing of all kinds.Easter is an important religious and social festival for Christians around the world.It celebrates the return of Jesus from _7_ dead and the coming of spring and new life.Japans Cherry Blossom Festival happens a little _8_

7、(late).The country, covered with cherry tree flowers, _9_(look) as though it is _10_(cover) with pink snow.Key: 1. to 2. and 3. exciting 4. which 5. usually 6. colourful 7. the 8. later 9. looks 10. covered3.Unit 2, Book 3 COME AND EAT HERE (1)Wang Peng sat in his empty restaurant feeling very _1_(f

8、rustrate). It had been a very strange morning. Usually he got up early and prepared his menu of barbecued mutton kebabs,roast pork, stir-flied vegetables and_2_ (fry) rice. Then by lunchtime _3_ would all be sold. By now his restaurant ought to be full of people. _4_ not today! Why was that? _5_ cou

9、ld have happened? He thought of his mutton, beef and bacon cooked in the hottest, finest oil. His cola was sugary and cold, and his ice cream was made _6_ milk, cream and delicious fruit. Nothing could be _7_(good), he thought. Suddenly he saw his friend Li Chang _8_(hurry) by. Hello, Lao Li, he cal

10、led. Your usual? But Li Chang seemed not to hear. What was the _9_? Something terrible must have happened if Li Chang was not coming to eat in his restaurant _10_he always did. Key: 1. frustrated 2, fried 3. they 4. But 5. What 6. of 7. better 8. hurrying 9. matter 10. as4.Unit 2, Book 3 COME AND EA

11、T HERE(2) A week later, Wang Peng s restaurant was nearly full and he felt happier. Perhaps he would be able to earn his _1_ after all and not have to close his restaurant. He did not look forward to _2_(be) in debt because his restaurant was no _3_ popular. He smiled as he welcomed some customers _

12、4_(warm) at the door but the smile left his face when he saw Yong Hui walking in. She did not look happy but glared at him. May I ask what you were doing in my restaurant the other day? I _5_(think) you were a new customer and now I know that you only came to spy on me and my menu, she shouted. Plea

13、se excuse _6_, he calmly explained, I wanted to know _7_ all my customers had gone last week. I followed one of them and found them in your restaurant. I don t want to upset you, _8_ I found your menu _9_ limited that I stopped _10_(worry) and started advertising the benefits of my food. Why don t y

14、ou sit down and try a meal?Key: 1. living 2. being 3. longer 4. warmly 5. thought 6. me 7. where 8. but 9. so 10. worrying5.Unit 3, Book 3 THE MILLION POUND BANK NOTEAct I, Scene 3NARRATOR: It is _1_ summer of 1903. Two old and wealthy brothers, Roderick and Oliver, have made a bet. Oliver believes

15、that with a million pound bank note a man could survive a month in London. His brother Roderick doubts it. At this moment, they see a _2_(penny) young man wandering on the pavement outside their house. It is Henry Adams, an American businessman, _3_ is lost in London and does not know what he should

16、 do.RODERICK: Young man, would you step inside a moment, please?HENRY: Who? _4_, sir?RODERICK: Yes, you.OLIVER: Through the front door on your left.HENRY: (A servant opens a door) Thanks.SERVANT: Good morning, sir. Would you please come in? Permit me _5_(lead) the way, sir.OLIVER: (Henry enters) Tha

17、nk you, James. That will be all.RODERICK: How do you do, Mr . er .?HENRY: Adams. Henry Adams.OLIVER: Come and sit down, Mr Adams.HENRY: Thank you.RODERICK: Youre an American? HENRY: Thats right, from San Francisco.RODERICK: How well do you know London?HENRY: Not at _6_, its my first trip here.RODERI

18、CK: I wonder, Mr Adams, if youd mind us _7_(ask) a few questions.HENRY: Not at all. Go right ahead.RODERICK: May we ask what youre doing in this country and what your plans are?HENRY: Well, I cant say that I have any plans. Im hoping to find work. As a matter of _8_, I landed in Britain by accident.

19、OLIVER: How is that possible?HENRY: Well, you see, back home I had my own boat. About a month ago, I was sailing out of the bay . (his eyes stare at what is left of the brothers dinner on table)OLIVER: Well, go on.HENRY: Oh, yes. Well, towards nightfall I found _9_(me) carried out to sea by a strong

20、 wind. It was all my fault. I didnt know whether I could survive until morning. The next morning Id just about given myself up for lost _10_ I was spotted by a ship.Key: 1. the 2. penniless 3. who 4. Me 5. to lead 6. all 7. asking 8. fact 9. myself 10. when6.Unit 3, Book 3 THE MILLION POUND BANK NOT

21、EHENRY: Yes. The fact is that I earned my passage by _1_(work) as an unpaid hand, which accounts for my appearance. I went to the American embassy to seek help, but . (The brothers smile at each other.)RODERICK: Well, you mustnt worry _2_ that. Its an advantage.HENRY: Im afraid I dont quite follow y

22、ou, sir.RODERICK: Tell us, Mr Adams, what sort of work did you do in America?HENRY: I _3_(work) for a mining company. Could you offer me some kind of work here?RODERICK: Patience, Mr Adams. If you dont mind, may I ask you how _4_ money you have?HENRY: Well, to be honest, I have none.OLIVER: (happily

23、) What luck! Brother, what luck! (claps his hands together)HENRY: Well, it may seem lucky to you _5_ not to me! On the contrary, in fact. If this is your idea of some kind of joke, I dont think its very _6_(fun). (Henry stands up to leave) Now if youll excuse me, I think Ill be on my way.RODERICK: P

24、lease dont go, Mr Adams You mustnt think we dont care about you. Oliver, give him the letter.OLIVER: Yes, the letter. (gets it from a desk and gives it to Henry like a gift) The letter.HENRY: (taking it carefully) For _7_?RODERICK: For you. (Henry starts to open it) Oh, no, you mustnt open it. Not y

25、et. You cant open it _8_two oclock.HENRY: Oh, this is silly.RODERICK: Not silly. Theres money in it. (calls to the servant) James?HENRY: Oh, no. I dont want your charity. I just want an honest job.RODERICK: We know youre hard-working. Thats _9_ weve given you the letter. James, show Mr Adams out.OLI

26、VER: Good luck, Mr Adams.HENRY: Well, why dont you explain what this is all about?RODERICK: Youll soon know. (looks at the clock) In _10_(exact) an hour and a half.SERVANT: This way, sir.RODERICK: Mr Adams, not until 2 oclock. Promise?HENRY: Promise. Goodbye.Key: 1. working 2. about 3. worked 4. muc

27、h 5. but 6. funny 7. me 8. until 9. why 10. exactly7.Unit 4, Book 3 HOW LIFE BEGAN ON THE EARTH No one knows exactly how the earth began, as it happened so long ago. However, according to a widely _1_(accept) theory, _2_ universe began with a Big Bang that threw matter in all _3_(direct).After that,

28、 atoms began to form and combine to create stars and other bodies. For several billion years after the Big Bang, the earth was still just a cloud of dust. What it was to become was uncertain until _4_ 4.5 and 3.8 billion years ago when the dust settled into a solid globe. The earth became so violent

29、 _5_ it was not clear whether the shape would last or not. It exploded loudly with fire and rock. They were in time to produce carbon, nitrogen, water vapour and other gases, _6_ were to make the earths atmosphere. What is even _7_(important) is that as the earth cooled down, water began to appear o

30、n its surface. Water had also appeared on other planets like Mars but, unlike the earth, it had disappeared later. It was not _8_(immediate) obvious that water was to be fundamental to the _9_(develop) of life. What many scientists believe is that the continued presence of water allowed the earth to

31、 dissolve harmful gases and acids into the oceans and seas. This produced a chain reaction, which made _10_possible for life to develop.Key: 1. accepted 2. the 3. directions 4. between 5. that 6. which 7. more important 8. immediately 9. development 10. it8.Unit 4, Book 3 HOW LIFE BEGAN ON THE EARTH

32、Many millions of years later, the first _1_(extreme) small plants began to appear on the surface of the water. They multiplied and filled the oceans and seas _2_ oxygen, _3_ encouraged the later development of early shellfish and all sorts of fish. Next, green plants began to grow on land. They _4_(

33、follow) in time by land animals. Some were insects. Others, _5_(call) amphibians, were able to live on land as well as in the water. Later when the plants grew into forests, reptiles appeared for the _6_(one) time. They produced young enerally by _7_(lay) eggs. After that, some huge animals, called

34、dinosaurs, developed. They laid eggs too and existed on the earth for more than 140 million years. _8_, 65 million years ago the age of the dinosaurs ended. Why they suddenly disappeared still remains _9_mystery. This _10_(disappear) made possible the rise of mammals on the earth. These animals were

35、 different from all life forms in the past, because they gave birth to young baby animals and produced milk to feed them. Key: 1. extremely 2. with 3. which 4. were followed 5. called 6. first 7. laying 8. However 9. a 10. disappearance 9.Unit 5, Book 3 A TRIP ON THE TRUE NORTH Li Daiyu and her cous

36、in Liu Qian _1_(be) on a trip to Canada to visit their cousins in Montreal on the Atlantic coast. Rather than _2_(take) the aeroplane all the way, they decided to fly to Vancouver and then take the train west to east across Canada. The thought that they could cross _3_ whole continent was exciting.

37、Their friend, Danny Lin, was waiting at the airport. He was going to take them and their baggage to catch The True North, the cross-Canada train. On the way _4_ the station, he chatted about their trip. Youre going to see some great scenery. Going eastward, youll pass mountains and thousands of lake

38、s and forests, as well as wide rivers and large cities. Some people have the idea that you can cross Canada in less than five days, _5_ they forget the fact that Canada is 5,500 kilometres from coast to coast. Here in Vancouver, youre in Canadas warmest part. People say it is Canadas most beautiful

39、city, _6_(surround) by mountains and the Pacific Ocean. Skiing in the Rocky Mountains and sailing in the harbour make Vancouver one of Canadas most popular _7_(city) to live in. Its population is increasing rapidly. The coast north of Vancouver has some of the oldest and _8_(beautiful) forests in th

40、e world. It is so wet there _9_ the trees are extremely tall, some _10_(measure) over 90 metres. Key: 1. were 2. take 3. the 4. to 5. but 6. surrounded 7. cities 8. most beautiful 9. that 10. measuring 10.Unit 5, Book 3 A TRIP ON THE TRUE NORTH After two days travel, the girls began to realize that

41、Canada is quite empty. At school, they had learned that most _1_(Canada) live within a few hundred kilometres of the USA border, and Canadas population is only _2_(slight) over thirty million, but now they were amazed _3_(see) such _4_ empty country. They went through a wheat-growing province and sa

42、w farms _5_ covered thousands of acres. After dinner, they were back in an urban area, the busy port city of Thunder Bay at the top of the Great Lakes. The girls were _6_(surprise) at the fact that ocean ships can sail up the Great Lakes. Because _7_ the Great Lakes, they learned, Canada has _8_ (fr

43、esh) water than any _9_ country in the world. In fact, it has one-third of the worlds total fresh water, and much of it _10_(be) in the Great Lakes. That night as they slept, the train rushed across the top of Lake Superior, through the great forests and southward towards Toronto.Key: 1. Canadians 2

44、. slightly 3. to see 4. an 5. which/that 6. surprised 7. of 8. more fresh 9. other 10. is答案及解析：1. Unit 1, Book 3 Festivals and celebrationsKey: 1. have been held 2. planting 3. autumn 4. after 5. to find 6. especially 7. who 8. or 9. in 10. because解析：1. have been held。句尾的since短语是现在完成时的标志，且举行庆典的执行者没有

45、提及到，故使用现在完成时的被动语态。2. planting。英语中，两个同时发生的动作，一主一次，主要动作充当谓语，而同时发生的次要动作构成伴随状语，句子的主语是plant的执行者，故使用现在分词充当伴随状语。3. autumn。根据常识判断，春天种植、秋天收割。4. after。根据之后的从句是过去完成时，而主句是过去将来时，故使用after引导时间状语从句，译为“有时，当猎手捕捉到猎物之后，举行庆典活动”。5. to find。形容词easy、difficult、hard、impossible、nice、pleasant、light、heavy、fit、interesting、import

46、ant、expensive、cheap、dangerous之后，习惯上使用动词不定式的主动态充当状语。6. especially。修饰during时间状语，使用副词充当状语。7. who。the ancestors充当非限制性定语从句的先行词，从句缺少主语，故使用who。8. or。属于eitheror结构，译为“或者或者”。9. in。in memory of表示“为了纪念”。10. because。该句译为“因为他们觉得这么做会使祖先返回世上，所以他们也点灯而且演奏音乐”，主从句构成因果关系，故使用because。2. Unit 1, Book 3 Festivals and celebr

47、ationsKey: 1. to 2. and 3. exciting 4. which 5. usually 6. colourful 7. the 8. later 9. looks 10. covered解析：1. to。属于look forward to搭配结构，译为“期待、盼望”。2. and。三个或三个以上的并列成分，前几个用逗号隔开，最后一个使用and连接；该句存在三个并列宾语，故使用and。3. exciting。修饰中心词carnivals(狂欢节)，使用现在分词充当定语，译为“令人兴奋的”。4. which。carnivals充当定语从句的先行词，而且从句take plac

48、e的主语不存在，故使用表示事物的关系代词which。5. usually。修饰介词短语in February，使用副词充当状语。6. colourful。充当定语修饰clothing，故使用colour的形容词。7. the。定冠词与表示人性质特征的形容词或过去分词搭配时，表示某一类人。8. later。句中有a little，故使用late的比较级。修饰比较级的词语常见的有：much ,a little , a bit ,a lot ,even ,still ,a great deal of, far ,by far ,any ,rather 及表示倍数的词。9. looks。the cou

49、ntry充当主语，谓语动词使用单数；从句的谓语是一般现在时，主从句时态呼应保持一致，故使用looks。10. covered。be covered with sth.表示“覆盖着某物”。3. Unit 2, Book 3 COME AND EAT HERE (1)Key: 1. frustrated 2, fried 3. they 4. But 5. What 6. of 7. better 8. hurrying 9. matter 10. as解析：1. frustrated。句子的主语WangPeng是feeling短语的动作执行者，故使用过去分词，表示“感到尴尬的”。该句译为“王鹏坐

50、在空荡荡的饭店里面，感到非常尴尬”。2. fried。修饰rice，充当定语，使用形容词fried，译为“油炸的、油煎的”。3. they。指代上句提及到的barbecued mutton kebabs,roast pork, stir-flied vegetables and fried rice，充当主语。4. But。和上文构成转折关系，译为“到现在为止，饭店应该有很多的顾客了；然而，今天不是这种情况”。5. What。句子缺少主语，译为“有可能发生了什么事”，故使用表示事物的疑问代词what。6. of。be made of表示“由制成”，成品上看得出原材料。7. better。比较级

51、应用在否定句中，表示最高级的含义，该句译为“没有比他的冰淇淋更好的了”。8. hurrying。属于see sb. doing sth.的应用结构，译为“看见某人在做某事”，强调动作进行或状态延续，故使用现在分词充当宾语补足语。9. matter。What is the matter是英语的一句口语，译为“怎么了”。10. as。as引导的方式状语从句，表示“按照、正如”之意，该句译为“如果Li Chang不和以往一样来饭店吃饭，准是发生了糟糕的事情”。4. Unit 2, Book 3 COME AND EAT HERE (1)Key: 1. living 2. being 3. longe

52、r 4. warmly 5. thought 6. me 7. where 8. but 9. so 10. worrying解析：1. living。earn ones living表示“谋生”。2. being。短语look forward to的to是介词，后面接名词、代词或doing充当宾语。3. longer。no longer表示“不再，再也不”。4. warmly。修饰动词welcome，使用副词充当状语，该句译为“他一边在门口热情地欢迎顾客，一边微笑”。5. thought。在直接引语中，使用一般过去时表示现在没有实现的过去的愿望、打算或意图，该句译为“我原来觉得你是新来的顾客

53、，而现在知道了你只是来窥探的”。6. me。excuse me是一句口语，译为“打扰了”。7. where。where引导的宾语从句，该句译为“我想知道上周我的顾客都去了哪里”。8. but。But连接的转折并列句，该句译为“我不想使你不安，但是我发现你的菜谱上的菜如此有限，以至于我不再担心”。9. so。属于sothat引导的结果状语从句。10. worrying。stop doing sth.表示“停止做某事”。5. Unit 3, Book 3 THE MILLION POUND BANK NOTEKey: 1. the 2. penniless 3. who 4. Me 5. to l

54、ead 6. all 7. asking 8. fact 9. myself 10. when解析：1. the.有后置定语of 1903，特指某一年的季节，和定冠词连用。2. penniless。充当定语，修饰young man，使用形容词penniless表示“身无分文的”。3. who。先行词Henry Adams指人，缺少非限制性定语从句的主语，故使用who。4. Me。在对话中，me相当于would you ask me to step inside a moment，而且和下文的you前后呼应、保持一致。5. to lead。属于permit to do sth.结构，译为“容许某

55、人做某事”。6. all。not at all译为“根本不”。7. asking。属于mind ones doing sth。结构，译为“介意某人做某事”。8. fact。as a matter of fact，该短语译为“实际上”。9. myself。属于find oneself doing/done，译为“发现自己。”。10. when。并列连词连接的并列句，表示突然发生的情况，译为“就在那时、正在此刻”，前一个分句可以使用过去完成时、过去进行时或过去将来时，后一个分句使用一般过去式。6. Unit 3, Book 3 THE MILLION POUND BANK NOTEKey: 1.

56、working 2. about 3. worked 4. much 5. but 6. funny 7. me 8. until 9. why 10. exactly解析：1. working。充当介词by的宾语，使用动词的ing形式。2. about。属于worry about短语搭配，译为“担心”。3. worked。和上文的问句时态呼应保持一致，使用了一般过去时。4. much。疑问词how much修饰不可数名词，译为“多少”。5. but。上下文构成转折，该句译为“这或许对你是幸运的，但是对我并不如此”。6. funny。放在系动词之后充当表语，而且之前有very修饰，故使用形容词

57、。7. me。和下文的for you前后呼应，使用人称代词的宾格充当for的宾语。8. until。属于notuntil结构，译为“直到才”，引导时间状语或时间状语从句。9. why。why引导的表语从句，该句译为“那就是我们把这封信件给你的原因”。10. exactly。副词充当状语，修饰介词短语in an hour and a half。7. Unit 4, Book 3 HOW LIFE BEGAN ON THE EARTHKey: 1. accepted 2. the 3. directions 4. between 5. that 6. which 7. more important

58、 8. immediately 9. development 10. it解析：1. accepted。在theory之前充当定语，使用过去分词转变而成的形容词，译为“公认的、可以接受的”。2. the。习惯上，独一无二的事物和定冠词连用。比如the sun、the earth、the moon等等。3. directions。属于in all directions搭配，译为“朝着各个方向”。4. between。属于betweenand的搭配，译为“在两者之间”。5. that。sothat引导的结果状语从句，译为“如此以至于”。6. which。carbon, nitrogen, wate

59、r vapour and other gases充当先行词，在非限制性定语从句中做主语，故使用which引导。7. more important.even修饰比较级，该句译为“甚至更重要的在于，随着地球的冷却，地球的表面就开始出现了水”。8. immediately。修饰形容词obvious，使用副词充当状语。9. development。之前有the，故使用develop的名词形式。该句译为“水对生命的发展会起关键作用，这一点在当时并不明显”。10. it。属于make it possible for sb. to do sth.结构，it充当形式宾语，真正的宾语是后面的动词不定式，该句译为

60、“这就产生了一系列的反应，使得生命就有可能发展了”。8. Unit 4, Book 3 HOW LIFE BEGAN ON THE EARTHKey: 1. extremely 2. with 3. which 4. were followed 5. called 6. first 7. laying 8. However 9. a 10. disappearance 解析：1. extremely。修饰形容词small，充当状语，故使用副词extremely。2. with。属于fillwith结构，译为“充满”。3. which.oxygen充当定语从句的先行词，而且从句缺少主语，故使用w

61、hich引导非限制性定语从句。该句译为“它们繁殖起来就使得海洋充满了氧气，这为早期的贝类及其他各种鱼类后来的进化创造了条件”。4. were followed。上下文时态呼应保持一致，而且执行者由by短语连接，故使用一般过去式的被动语态。5. called。该空充当后置定语修饰了中心词others，而且没有提及到call的动作执行者，故使用过去分词充当定语。该句译为“另外一些叫两栖动物，他们既能在陆上生存，也能在水里生存”。6. first.属于for the first time搭配，译为“首次”。7. laying。名词、代词或动名词充当介词的宾语，故使用laying充当by的宾语。8.

62、However。衔接上下句，构成转折，故使用however放在句首。上下文译为“恐龙在地球上生存了一亿四千万年。然而，六千五百万年前，恐龙时代结束了”。9. a。单数可数名词不定冠词搭配，表示类别。10. disappearance。句子缺少主语，故使用disappear的名词形式。9. Unit 5, Book 3 A TRIP ON THE TRUE NORTHKey: 1. were 2. take 3. the 4. to 5. but 6. surrounded 7. cities 8. most beautiful 9. that 10. measuring解析：1. were。主

63、语是表示复数含义的并列名词，而且和下文的decided时态呼应保持一致，使用be的过去式。2. take。rather than在句首，只能接省略to的不定式，表示主观抉择，译为“不愿意做某事”。3. the。属于the whole搭配，译为“整个的”。4. to。属于on the way to someplace搭配，to后面接名词或代词，译为“在去某地的路上”。5. but。上下文构成转折，使用but连接转折并列句。该句译为“有人想在不到五天的时间里穿越加拿大，但是他们忘了加拿大从东海岸到西海岸共有5500公里”。6. surrounded。surround动作执行者由by短语连接，故使用

64、过去分词充当伴随状语。该句译为“人们说温哥华是加拿大最美丽的城市，由大山和太平洋所环绕”。7. cities。one of之后接复数名词，表示“之一”。8. most beautiful。前面有the oldest，而且句尾有表示范围的介词短语in the world，前后呼应，故使用形容词的最高级。9. that。sothat引导的结果状语从句。10. measuring。measure在此做不及物动词，使用其现在分词充当伴随状语。该句译为“树长得特别高，一些高达90多米”。10. Unit 5, Book 3 A TRIP ON THE TRUE NORTHKey: 1. Canadian

65、s 2. slightly 3. to see 4. an 5. which/that 6. surprised 7. of 8. more fresh 9. other 10. is解析：1. Canadians.由句子的谓语live判断，该句的主语是指人的复数名词，故使用Canadians。该句译为“大多数加拿大人居住在靠近美国几百公里以内的边境地带”。2. slightly。修饰介词短语over thirty million，使用副词充当状语。3. to see。动词不定式放在表语形容词之后，充当原因状语。该句译为“现在看到这么空旷的国家，她们很惊讶”。4. an。单数可数名词表示类别时，和不定冠词搭配。5. which/that。先行词farms在从句中充当covered的逻辑主语，故使用which或that引导限制性定语从句。6. surprised。主语是指人的girls，故使用过去分词充当表语，译为“感到惊讶的”。7. of。属于because of的搭配，充当原因状语。8. more fresh。句中有连词than，故使用比较级more fresh。9. other。同一范围内的人或物进行比较，要把自身排除在外，故使用any other修饰单数名词，译为“其他任何”。10. is。it指代上文提及的fresh water，谓语动词用单数，故使用be的现在式is。