（新教材）2021-2022学年译林版英语选择性必修第一册作业课件：课时评价 UNIT 1　GRAMMAR AND USAGE .ppt

1、二 Unit 1Grammar and usage&Integrated skills【语用训练】.单词拼写1.This is an opportunity to _(提高)the reputation of the company.2.I stood in the kitchen,waiting for the water to _(沸腾).3.The _(牛排)was tough and the peas were like bullets.4.I was very _(印象深刻的)by one young man at my lecture.5.We stopped on the mou

2、ntain pass to admire the _(风景).6.Use music and lighting to create a romantic _(氛围).enhanceboilsteakimpressedsceneryatmosphere7.There are two _(版本)of the game,a long one and a short one.8.The butter and _(面粉)are rubbed together with the fingertips.9.By the time I was 30,we had three _(可爱的)children.10

3、.If you like _(奶酪),go for the ones with the least fat.versionsflouradorablecheese.选词填空throw oneself into,out of the world,be eager to,come across,a variety of,be good at,be afraid of,be impressed by,get bored with,be considered as1.She _some old photographs in a drawer.2.She uses _different colours

4、and textures in her wall hangings.3.After a while,I began to _my job.4.I think the flavour of fresh strawberries is _.5.The child _his mothers arms.came acrossa variety ofget bored without of the worldthrew himself into6.She _physics despite the fact that she found it boring.7.I _share my happiness

5、and sadness with you.8.This picture _the most valuable one among his pictures.9.We _the professionalism of the staff.10.I started to _going out alone at night.was good atam eager tois considered aswere impressed bybe afraid of.完成句子1._is the teacher himself interested in foreign films,_all his studen

6、ts are beginning to show an interest in them.不但老师自己对外国电影感兴趣,就连他所有的学生都开始对外国电影感兴趣了。2._youre tired,youve been walking for hours.难怪你累了呢,你一直走了好几个小时。3.An alternative plan is _a loan.另一种可能的方案就是申请贷款。Not onlybut alsoNo wonderto apply for4.Henry Moore _the father of modern British sculpture.亨利摩尔被认为是现代英国雕塑之父。5

7、._,I will take the one with apple jam.在这么多好吃的蛋糕中,我选的是有苹果酱的那个。is considered to beOf all the delicious cakes【主题阅读】.阅读理解Cells in our brain usually send“stop eating”signal when weve had enough.Butafter mice ate fatty foods for just two weeks,their brains brake on overeating quieted down.That finding may

8、 help explain the complex link between food and appetite that can become disordered when people overeat.Food is essential to life.Our brains have,therefore,evolved a series of systems to make sure we eat enough.Garret Stuber,a neuroscientist at the University of Washington,together with his team too

9、k aim at one brain area known to be involved in eating behaviors.This lateral hypothalamus(下丘脑外侧区)contains many diverse cells.Stubers group looked at the behaviors of genes in the cells here.And in one typeglutamatergic nerve(谷氨酸能神经)cellsbig differences appear between fat mice and lean ones.Earlier

10、work by Stubers group had suggested that these cells act like a brake on eating.When the researchers prevented these cells from firing,mice suddenly overate.They also fattened up.But it wasnt clear how the cells activity changed as the mice transitioned from slim to fat.“Obesity doesnt just happen o

11、vernight,”notes Stuber.To find out the secret,his group undertook a new study.They fed mice high-fat food.Now and again,theyd use a fancy microscope to look at how well the animals glutamatergic cells could fire off signals.Two weeks into the high-fat foodeven before the mice became roundthe activit

12、y of these nerve cells had slowed.It continued as the animals grew larger over a 12-week period.“The cells activity was going down as a function of high-fatdiet.The results suggest that the high-fat diet is removing the brake on eating and obesity,”explains Stuber.Its hard to say whether similar cel

13、ls normally control peoples appetite.Brain-imaging tests have shown that the same brain region the hypothalamusplays a role when people shift between hunger and feeling full.【文章大意】本文是一篇说明文。研究人员发现下丘脑外侧区中的谷氨酸能神经细胞可以防止暴饮暴食,就像是进食的刹车,而高脂肪饮食会让这类细胞的活动减缓。所以当人们吃得过多时,食欲会变得紊乱。1.What happened after the mice ate

14、 fatty foods for two weeks?A.Their appetite was getting worse.B.Their brains became disordered.C.They refused to eat zero fat food.D.They lacked a feeling of fullness.【解析】选D。细节理解题。根据第一段第二句可知老鼠只吃了两周的高脂肪食物,它们的大脑对过量饮食的抑制就会平静下来。由此可知,老鼠吃了两周高脂肪食物后,发生了缺乏饱腹感的情况。故选D。2.It can be learned from the text that glu

15、tamatergic nerve cells.A.are easily found in lean miceB.can prevent mice from overeatingC.function well under any conditionD.are a main part of lateral hypothalamus【解析】选B。细节理解题。根据第三段中最后一句以及第四段中前两句可知,谷氨酸能神经细胞可以防止老鼠暴饮暴食。故选B。3.Why did Stubers group undertake the new study?A.To study the role of glutama

16、tergic cells in mices fattening up.B.To find out the link between high-fat diets and obesity.C.To find out deciding factors in mices appetite.D.To study the eating habit of fat mice.【解析】选A。推理判断题。根据第五段的内容可推知,Stuber的小组进行这项新的研究,是为了研究谷氨酸能细胞在老鼠增肥中的作用。故选A。4.What is the main idea of the text?A.Obesity infl

17、uences glutamatergic nerves function.B.Glutamatergic nerves decide peoples appetite.C.High-fat diets lead to overeating.D.Our brains control our food choices.【解析】选C。主旨大意题。根据第一段中第二、三句可知,文章的主旨是高脂肪饮食导致暴饮暴食。故选C。.完形填空I had a student today who got his finger stuck inside a test tube in scienceclass.It was

18、 really quite stuck.This young mans finger 1to get whiter and whiter right before my eyes.Remaining 2,I suggested he carefully rotate(转动)the tube.It wouldnt move a bit.He3soap and cold water.Still stuck.Meanwhile4was breaking out in the class.5,I sent the young man to our secretary,who was a miracle

19、 worker raising three kids of her own.With her in charge,I was 6all would be OK.To get the students back in order,I 7my own story of getting my knee stuck between the rails of a balcony.Same kind of curiosity,I remembered 8then how far I could thrust(塞)my knee between the rails.Inch by inch,I kept9a

20、nd before I knew it,my knee was stuck and 10before my eyes and in front of lots of strangers at a popular Las Vegas hotel!Hearing my story,many students followed with their own 11of heads,arms,fingers stuck in places they shouldnt be.A few minutes later,the young man came back,test tube unbroken and

21、 finger 12to lovely shade of pink.I just couldnt get mad at this kid.Hes only twelve.I too got my knee unstuck,but not without great 13.The excuse for me,however,was not 14but plain stupidity.I was 15fifty years old when this happened.【文章大意】本文是一篇记叙文。作者的一个学生在课堂上把手指卡在了试管里,尝试多种办法都失败了,最后把他送到秘书那里,把手指拿出来了

22、。班里一片混乱,为了稳定学生,作者与学生们分享了各自被卡的经历。1.A.usedB.neededC.happenedD.continued【解析】选D。句意:这个年轻人的手指在我眼前持续变得越来越白。used 使用;needed 需要;happened 发生;continued 继续,持续。根据前文It was really quite stuck.和第二段前四句可知,手指一直卡着,会持续变白。故选D。2.A.calmB.silentC.cheerfulD.active【解析】选A。句意:我保持冷静,建议他小心地转动管子。calm 冷静的;silent沉默的;cheerful 高兴的;acti

23、ve 积极的。下文I suggested he carefully rotate the tube说明,我保持冷静,故选A。3.A.lost B.fetchedC.triedD.accepted【解析】选C。句意:他尝试着用肥皂和冷水。但依然卡着。lost 失去;fetched 拿来;tried 尝试;accepted 接受。手指卡住后,尝试着用肥皂和冷水,让手指可以从管子中出来。故选C。4.A.fire B.chaosC.violenceD.argument【解析】选B。句意:与此同时,教室里一片混乱。fire 火;chaos 混乱;violence 暴力;argument 争论。根据下文T

24、o get the students back in order可知,教室里一片混乱。故选B。5.A.FinallyB.GraduallyC.FrequentlyD.Apparently【解析】选A。句意:最后,我把这个年轻人送到了我们的秘书那里,她是一个奇迹般的工人,养育了自己的三个孩子。Finally最后;Gradually 逐渐地;Frequently 频繁地;Apparently明显地。做过多种尝试依然没成功,最后我决定把这个年轻人送到秘书那里。故选A。6.A.happy B.doubtfulC.surprisedD.confident【解析】选D。句意:有她负责,我有信心一切都会好的

25、。happy 高兴的;doubtful 怀疑的;surprised 惊讶的;confident 有信心的。前文说明,她养育了三个孩子,很有经验,所以我有信心。故选D。7.A.shared B.wroteC.readD.heard【解析】选A。句意:为了让学生们恢复秩序,我分享了我的膝盖卡在阳台的栏杆之间的故事。shared 分享;wrote 写;read 读;heard 听说。作者跟学生分享自己故事。故选A。8.A.calculating B.explainingC.wonderingD.reporting【解析】选C。句意:出于同样的好奇心,我记得当时我想知道我的膝盖能在栏杆 之 间 伸 多

26、 远。calculating 计 算;explaining 解 释;wondering 想 知 道;reporting 报告。作者将膝盖塞进栏杆是想知道膝盖能在栏杆之间伸多远。故选C。9.A.pushing B.climbingC.walkingD.kicking【解析】选A。句意:一点一点地,我不停地推,在不知不觉中,我的膝盖被卡住了,在我眼前,在拉斯维加斯一家很受欢迎的酒店里当着很多陌生人的面,并肿了起来。pushing 推;climbing 爬;walking 走;kicking 踢。根据上文可知,我在将膝盖往前推。故选A。10.A.shaking B.liftingC.restingD

27、.swelling【解析】选D。shaking 摇晃;lifting 抬起;resting 休息;swelling 肿胀。根据前文my knee was stuck可知,膝盖肿了,卡住了。故选D。11.A.findings B.conclusionsC.storiesD.news【解析】选C。句意:听了我的故事,很多学生都跟着讲起了自己的故事:脑袋、胳膊、手指被卡在不该卡的地方。findings 发现;conclusions 结论;stories 故事;news 新闻。根据前文可知,很多学生都跟着讲起了自己的故事(stories)。故选C。12.A.pointing B.returningC.

28、belongingD.growing【解析】选B。句意:几分钟后,这个年轻人回来了,试管完好无损,他的手指又恢复到一种可爱的粉红色。pointing 指向;returning 返回;belonging 属于;growing 增长。根据下文是lovely shade of pink可知手指是恢复到正常,故选B。13.A.encouragement B.disappointmentC.embarrassmentD.achievement【解析】选C。句意:我的膝盖也拿出来了,但还是会尴尬。encouragement 鼓励;disappointment 失望;embarrassment 尴尬;ach

29、ievement 成就。根据第三段最后一句可知,在许多陌生人面前卡住膝盖还是很尴尬的。故选C。14.A.ambitionB.youthC.braveryD.experiment【解析】选B。句意:但是,我的借口不是年轻而是单纯的愚蠢。ambition 雄心;youth 年轻;bravery 勇敢;experiment 实验。根据下文可知,此处是说我的借口不是年轻。故正确答案为B。15.A.above all B.in totalC.after allD.at random【解析】选C。句意:这件事发生的时候我毕竟已经50岁了。above all首先;in total总共;after all 毕

30、竟;at random 任意地。由下文可知,这里是转折,结合选项,“毕竟”符合语境,故选C。.应用文写作假定你是李华。上周末你去参观了科技馆。请你根据以下要点用英语给你的留学生朋友Tom写一封电子邮件。内容包括:1.参观经历;2.参观感受。注意:1.词数80左右;2.可适当增加细节,以使行文连贯。_Dear Tom,How have you been doing recently?Last weekend,I paid a visit to the Science and Technology Museum.I visited colorful exhibitions on biology,m

31、ath and physics as well as learning about the lives of great scientists.Besides,I watched a 5-D film about the universe and experienced many new things.This trip was really unforgettable.It was amazing to learn by doing rather than just by reading.I strongly recommend that you visit it if time permits.Yours,Li Hua本课结束