课时跟踪检测15.doc
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1、课时跟踪检测(十五).完成下列附加疑问句1Its a fine day.Lets go fishing,shall we?2Frank is working late again.This is the first time this week hes had to study late,isnt it?3Daddys forgotten to post the letter again,hasnt he?Im afraid he has.4Sorry,Im not feeling well and I dont think I can finish.Dont worry.Let us do
2、it for you,will you?5I dont think he could have done such a stupid thing last night,did he?6The ground is wet.It must have rained last night,didnt it?7Jenny doesnt think that Robert is honest,does she?Im afraid not.8The new windows need washing.Well,lets wash them together,shall we?9There is little
3、we can do about it,is there?10The problem wasnt difficult for him,was it?No,it wasnt.He should have been given a more difficult one.完成句子1Im as tall as your sister,arent I?Yes,you are.(是的,你和她一样高。)2Tom made no answer,did he?No,he didnt.(是的,他没回答。)3He ought to know what to do,oughtnt he?Yes,he ought to.
4、(是的,他应该知道。)4Everything is ready,isnt it?No,it isnt.(不,还没准备好。)5The 29th Olympic Games were held in Beijing,werent they?Yes,they were.(是的,是在北京。)6Michael Jordan started to play basketball in college,didnt he?No,he didnt.(不,他不是。)He first played in a team in senior high school.7David has been to a boxing
5、 match,hasnt he?No,he hasnt.(不,他没去过。)He always watches boxing on TV.8You cant cook,can you?Yes,I can.(不,我会。)Im good at cooking.阅读理解If your friends are happy, it turns out youre more likely to be happy too. If your friends are overweight, that too ups the chances youll gain weight. Those effects have
6、 been shown in studies. And now researchers have identified another seemingly contagious quality: exercise.The researchers analyzed the running activity of more than a million people worldwide who used an exercise tracking device (装置) for five years. And they used weather patterns as a way to random
7、ly examine different parts of that global network.“Cities have different weather patterns,” Sinan Aral, a computational social scientist at MIT says. This experiment allowed them to ask: Does a rainy day in New York affect running in San Diego? If the weather in New York causes changes in the runnin
8、g behavior in San Diego, it can really only be happening through the influences of the friends who live between New York and San Diego.And that is exactly what he and his colleague saw: that the behavior of one citys runners could indeed affect the behavior of runners in another socially connected c
9、ity. Women tended to be influenced more by the female runners in their networks. And less active runners tended to influence more active runners to run more, but not so much the other way around.Still, this could be valuable for health professionals. “We have to start thinking of consumers and citiz
10、ens as networked consumers and citizens. Where they are influenced by and influence their social network in very strong ways, that will change the way a particular intervention (干涉) succeeds or fails.”In other words, if your prescription is more exercise, the doctors might want to write a prescripti
11、on for your friends and family, too.语篇导读本文主要介绍了锻炼也会传染。1What does the underlined word “contagious” in Paragraph 1 mean?AInfectious. BExcellent.CBeneficial.DDifferent.A词义猜测题。 根据画线词前的“If your friends are happy. youll gain weight.”可知,这些具有传染的特征。故画线词的词义是“具有传染性的”。2What can we conclude from the experiment?A
12、Weather changes peoples feelings.BPeoples behavior affects each other.CExercise has something to do with weather.DPeoples connection depends on distance.B推理判断题。根据第四段中的“that the behavior of one citys runners could indeed affect the behavior of runners in another socially connected city”可推知,人们的行为是互相影响
13、的。3What does “this” in Paragraph 5 refer to?AWomen are easier to be influenced by male runners.BPeople in the same city affect each other more.CFriends tend to influence each other in exercising.DA rainy day in one city affects running in another.C词义猜测题。根据第四段的最后两句“Women tended to be influenced more
14、by the female runners in their networks. And less active runners tended to influence more active runners to run more, but not so much the other way around”并结合第五段内容可推知,this指代的是第四段最后两句的内容,即朋友在锻炼时往往是互相影响的。4Which of the following can be the best title for the text?AThink twice before runningBMore exerci
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