19．He threwme the ball but I didn't catch it．——青夏教育精英家教网——

19．He threwme the ball but I didn't catch it．

18．I felt sorry because I completelyforgot it was his birthday yesterday．

17．A．It's"being polite"
B．We look people in the eye
C．When we leave our friends，we take time to say goodbye
D．People have fair or dark hair，and many people wear glasses
E．We don't stand very close to the person we are talking to

Most Americans are nice people．We are usually quite lively．We speak loudly and smile a lot（41）B，but we never stare---we think that's rude．
Most Americans are very friendly．When we see someone we know，we usually say"Hi"or"How are you
doing？"But remember"being friendly"is not"being friends"（42）A．It takes time to make good friends in the USA．
We don't usually touch people very much．We sometimes shake hands when we say hello（43）E．
Some Americans are quite tall，perhaps over 1.80metres．We have blue or brown eyes．（44）D．We are shy about our age．We never say we are old，only that we are not young anymore．
（45）C．We say"See you soon"and"Call me!"or"Let's have lunch one day．"This is for being polite and friendly---it's not a real invitation!．

16．Pigs do it．Mice do it．Dogs also do it．Kangaroos？Not so much．Why do some animas shake？The short answer is because they are wet．But there is actually more than that---a lot more．
In an article，Andrew Dickerson and others took a look at this strange problem．The scientists wrote down the shaking of 33animals，of them are 5kinds of dogs．
It shows that mammals（哺乳动物） can keep stronger by doing their cute little shakes．If they don't shake，animals would have to use up to 20percent of their daily energy simply staying dry．And nearly all furry animals shake to help themselves keep dry．
Those animals that are similar to kangaroos shake only part of their body．They usually live in dry places where keeping dry isn't very hard．But not all animals shake in the same way．Also some shake less often than others．Smaller animals seem to shake more quickly，30shakes per second for a mouse，while bears，tigers and big dogs only about four．
In an interesting finding，Dickerson and his team have shown that these animals do the job as well as possible．In each example，the animals shake off 70percent of water in a few seconds．This should all be great to people．It takes us not seconds but minutes to dry our hair---just over three minutes．

36．Which animal do not shake a lot according to the article？D
A．Pigs B．Mice C．Dogs D．Kangaroos
37．If wet animals don't shake，it would take aboutBof their energy to stay dry．
A.5percent B.20percent C.33percent D.70percent
38．Bigger animals shakeBthan smaller ones according to the study．
A．more quickly B．more slowly C．more often D．less often
39．From the article，we can learn thatA．
A．all kinds of animals need to shake to keep dry
B．all furry animals shake at the same rate
C．bigger animals like tigers don't shake at all
D．animals save energy by doing their little shakes
40．What is the main idea of the story？B
A．Furry animals are stronger
B．Animals shake to dry themselves
C．Animals learn to shake well
D．Smaller animals shake more．

15．I feel sleepy today because I didn't fall asleep until the noise ______last night．（　　）

14．我很高兴你在舞蹈方面有很大的进步．
I am so glad that youhavehadagreatprogressin dancing．

13．爸爸走进房间警告我不要假装在写作业．
Dad entered the room andwarnedmenottopretendIwasdoing my homework．

12．祝贺你大学毕业了！
Congratulationsongraduation from university!

11．我小的时候空闲时宁愿看书也不上网．
When I was a kind，Ipreferredreadingtosurfing the internet in my spare time．

10．知道我通过了工作的面试，我给自己买了一个手机．
Knowing that I had passed the job interview，Ihadboughtmyself a cell phone．

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