2020秋高中英语 课时作业3 Unit 4 Cyberspace Period Three Lesson 3 Virtual Reality（含解析）北师大版必修2.doc

1、课时作业3Lesson 3 Virtual Reality.单词拼写1What is the title (题目) of your speech?2Please pack (打包) some warm clothes for your journey.3The sun dipped (浸) below the horizon.4That problem is a thorn in their flesh (肉)5From his appearance we may conclude that he is a heavy smoker (吸烟者)6He doesnt know where his

2、 final destination (目的地) is.7.The lazy girl is dreaming of marrying a millionaire (百万富翁) and wont do any work.8We went to see a historical (历史的) play last Sunday.9A site (位置) has been chosen for the new school.10As the actors exited (离开) the stage, the lights went on.单句语法填空1Someone suggests that we

3、(should)_try (try) our best to stop the pollution.2Its said that the mayor will come to our city in the flesh.3Not only Mary but also Tom was (be) allowed to enter the room last night.4You can depend on it that we wont give up.5Its hard to imagine living (live) in a place where there is no electrici

4、ty.6He packed (pack) the boxes full of books and went home alone.7Sarah pretended to be cheerful, saying (say) nothing about the argument.8Prices of goods bought (buy) through a computer can be lower than store prices.单句改错1Not only my friend but also I were present at the conference.werewas2I want t

5、o know what to deal with the problem.whathow或dealdo3I grab Georges arm and dig my nails into his meat.meatflesh4You can depend on that he will come on time; he is always punctual.depend_on后加it5Beautiful natural scenery with many historical relics is another reason for people from abroad flooding int

6、o China.historicalhistoric.选词填空pack up， depend on， whats more， have problems with， in the flesh1The price depends_on quality.2You should remember it, and whats_more,_you should get it right.3Ive got all her records but Ive never seen her in_the_flesh.4Shaking his head, he packed_up his things, and l

7、eft.5If you have_problems_with your homework, dont hesitate to ask me for help.完成句子1We find_it_hard/difficult_to_finish the task in such a short time.我们发现很难在如此短的时间内完成这项工作。2Today I have a composition to_write.今天我有一篇作文要写。3His book published_last_month is based on a true story.他上个月出版的那本书是根据一个真实的故事写的。4N

8、ot only does_he_like_English,_but also he learns it well.他不但喜欢英语，而且学得很好。5He knew that he could_depend_on/upon_her_to_deal_with_the_situation.他知道他可以依靠她去应付这种局面。6The dentist suggested that she_(should)_come_another_day.那位牙医建议她改天再来。7I noticed she had just finished packing_them_up_by_herself.我注意到她自己刚把它们包

9、装好。8I dont want to go out because Im tired. Whats_more,_it is raining.我不想出去，因为我累了。另外，还在下雨。.完形填空Modern inventions have speeded up peoples lives amazingly. Motor cars _1_ a hundred miles in more than an hour, aircraft cross the world within a day, _2_ computers operate at lightning speed. Indeed, this

10、 love of _3_ seems neverending. Every year motor cars are produced which go even faster and each new computer boasts (吹嘘) of _4_ precious seconds in handling tasks.All this saves time, but _5_ a cost. When we lose or _6_ half a day in speeding across the world in an airplane, our bodies tell us so.

11、We get the uncomfortable feeling known as jetlag (时差). Our bodies feel that they have been _7_ behind in another time zone. Again, spending too long at _8_ results in painful wrists and fingers. Mobile phones also have their dangers, according to some scientists; too much use may transmit (传播) harmf

12、ul _9_ into our brains, a consequence we do not like to _10_ about.However, how do we _11_ the time we have saved? Certainly not relax, or so it seems. We are so used to constant activity that we find it _12_ to sit down and do nothing or even just one thing at a _13_. Perhaps the days are long gone

13、 when we might listen _14_ to a story on the radio, letting imagination take us into _15_ world.There was a time _16_ some peoples lives were devoted simply to the cultivation (耕作) of the _17_ or the care of cattle. No multitasking (多重任务) there; their lives went on at a much gentler pace, and in a f

14、amiliar pattern. There is much that we might envy about a _18_ of life like this. Yet before we do so, we must think of the hard tasks our ancestors _19_. Modern machines have _20_ people from that primitive existence.这是一篇议论文阅读。文章主要讲了科技给人们的生活带来了改变。人们对速度的追求使科技不断得到更新，但是科技发展节约下来的时间并没有被用来进行放松。1A.explore

15、BgetCcover Dfly答案：C解析：考查动词辨析。句意：汽车在一个多小时内行驶了一百英里，飞机在一天内飞越世界，然而计算机以闪电般的速度运行。A.explore探索；B.get得到；C.cover行走；D.fly飞。故选C。2A.when BasCthus Dwhile答案：D解析：考查连词辨析。句意：汽车在一个多小时内行驶了一百英里，飞机在一天内飞越世界，然而计算机以闪电般的速度运行。A.when当时；B.as因为；C.thus因此；D.while然而。故选D。3A.speed BtimeCproduct Ddistance答案：A解析：考查名词辨析。根据Modern inventi

16、ons have speeded up peoples lives amazingly.可知这里意思是这种对速度的热爱似乎永无止境。A.speed速度；B.time时间；C.product产品；D.distance距离。故选A。4A.wasting BlosingCsaving Dspending答案：C解析：考查动词辨析。根据All this saves time, but _5_ a cost.可知这里意思是每年都会生产出速度更快的汽车，吹嘘每台新电脑在处理任务时都能节省宝贵的时间。A.wasting浪费；B.losing失去；C.saving节省；D.spending花费。故选C。5A.

17、in BatCon Dwith答案：B解析：考查固定短语辨析。句意：所有这些都节省了时间，但也付出了代价。at a cost付出了代价，是固定短语，故选B。6A.earn BdropCmiss Dgain答案：D解析：考查动词辨析。句意：当我们乘坐飞机在世界各地加速飞行时，是损失还是获得了半天的时间，我们的身体会告诉我们。A.earn赚得；B.drop下降；C.miss错过；D.gain获得。故选D。7A.left BcomeCforgotten Dfelt答案：A解析：考查动词辨析。根据We get the uncomfortable feeling known as jetlag (时差)

18、. 可知这里意思是我们的身体感觉它们被留在了另一个时区。A.left留下；B.come来；C.forgotten忘记；D.felt感觉。故选A。8A.ships BairplanesCcomputers Dcars答案：C解析：考查名词辨析。句意：长时间使用电脑会导致手腕和手指疼痛。A.ships船；B.airplanes飞机；C.computers电脑；D.cars汽车。故选C。9A.prevention BradiationCcombination Ddamage答案：B解析：考查名词辨析。根据Mobile phones also have their dangers, 可知这里意思是过多

19、地使用手机可能会向我们的大脑传递有害的辐射，这是我们不愿意考虑的后果。A.prevention预防；B.radiation辐射；C.combination结合；D.damage损害。故选B。10A.think BtellCcarry Dwish答案：A解析：考查固定短语。句意：过多地使用手机可能会向我们的大脑传递有害的辐射，这是我们不愿意考虑的后果。think about 考虑，这是一个固定短语，故选A。11A.control BhandleCdo Ddeal答案：B解析：考查动词辨析。句意：然而，我们如何处理节省下来的时间呢？ Acontrol控制；B.handle处理；C.do做；D.de

20、al交易。故选B。12A.uncomfortable BeasyCdifficult Dgood答案：C解析：考查形容词辨析。根据We are so used to constant activity 可知这里意思是我们已经习惯了持续的活动，以至于我们很难坐下来什么都不做，甚至一次只做一件事。A.uncomfortable 不舒服的；B.easy容易的；C.difficult困难的；D.good好的。故选C。13A.second BdayCyear Dtime答案：D解析：考查固定短语。句意：我们已经习惯了持续的活动，以至于我们很难坐下来什么都不做，甚至一次只做一件事。at a time一次，

21、该短语是固定短语，故选D。14A.actively BquietlyCenthusiastically Dcuriously答案：B解析：考查副词辨析。句意：也许我们可以安静地听收音机里的故事，让想象力带我们进入另一个世界，这样的日子早就一去不复返了。A.actively积极地；B.quietly安静地；C.enthusiastically 热心地；D.curiously好奇地。故选B。15A.another BelseCother Dall答案：A解析：考查形容词辨析。句意：也许我们可以安静地听收音机里的故事，让想象力带我们进入另一个世界，这样的日子早就一去不复返了。A.another另一个

22、；B.else其他的；C.other 其他的；D.all全部的。指“另一个世界”，故选A。16A.what BwhichCwhere Dwhen答案：D解析：考查定语从句。_16_ some peoples lives were devoted simply to the cultivation (耕作) of the _17_ or the care of cattle.是一个定语从句，先行词是a time，关系词在从句中作时间状语，所以用关系副词when，故选D。17A.surface BwaterCland Disland答案：C解析：考查名词辨析。根据the cultivation (

23、耕作) of可知这里意思是有些人的生活仅仅是耕种土地或照料牲畜。A.surface 表面；B.water水；C.land土地；D.island岛。故选C。18A.way BviewCpathway Dpoint答案：A解析：考查名词辨析。句意：这样的生活方式有许多值得我们羡慕的地方。A.way方式；B.view视野；C.pathway路；D.point要点。故选A。19A.expressed BchargedCinspired Dfaced答案：D解析：考查动词辨析。句意：然而，在我们这样做之前，我们必须想想我们的祖先面对的艰巨任务。A.expressed表达；B.charged 控告；C.i

24、nspired鼓舞；D.faced面对。故选D。20A.freed BremainedCkept Dcleared答案：A解析：考查动词辨析。句意：现代机器把人们从那种原始的生活中解放出来。 Afreed解放；B.remained保持；C.kept维持；D.cleared清除。故选A。.短文改错Last fall, after a day of perfect weather, my brother and I decided to build a stick shelter and sleep outside. But it was a little of more challenging

25、than we original thought. The biggest problem was finding sticksthey are either too wet nor too short. So we used our tent poles. An hour late, it was finished. They looked great on the outside and quite comfortable on the inside. Just when we were ready for a comfortable night of sleep, it started to rain. But we were preparing. We brought our rain jackets, that kept us dry and allowed us to fall sleep comfortably. It didnt turn out perfect, but we had great time in our shelter.答案