题目列表(包括答案和解析)
阅读短文，然后根据内容完成问题。
Dr Ray：Then you must thank trees for that, too．Trees are natural air conditioners．(A)他们吸掉空气中的废气，然后把氧气释放到空气中。How many people are there in your class, Judy?
Judy：Forty-six．
Dr Ray：Well, one and a half hectares of trees could produce enough oxygen to keep your whole class alive and healthy for a year．
Judy：That's wonderful．
Dr Ray：(B)Trees cool the air as well as clean it．(C)Three trees can do the job of 15 air conditioners running almost all day．
Judy：You certainly know a lot about trees, Doctor Ray．
Dr Ray：Thank you, Judy, but I don't, really．Scientists are only now beginning to understand them．(D)________, did you know that when insects attack a tree, it can warn its neighbours? The trees can then protect themselves by producing a chemical that makes their leaves taste nasty．And some trees can join their roots together underground, and pass food and water around．Trees are communicating with one another, but we don't know how．
Judy：Are trees in danger?
Dr Ray：In great danger．We cut down and burn millions every year but we replace hardly any of them．We are destroying our best fighters against pollution．
1．将(A)译成英语：________
2．将(B)部分转换成：Trees ________ ________ cool the air ________ ________ clean it．
3．将(C)部分翻译成汉语：________
4．在(D)处填上一个合适的词语：________
5．找出文中描写树对空气作用的两个词：________ ________
阅读下面短文，从所给的
12个词或词组中选出10个词或词组，并用其适当的形式填空。请将答案写在相应位置上。
There are more than 6, 000 languages in the world．English is one of 1 languages．It is difficult 2 how many people are using it．
Some English children study French．French is also a very important 3 ．Some other children study German, Russian, 4 and Chinese．
Which is the best way to learn a foreign language? We know that we all learn our own language 5 when we are children．If we learn a second language in the same way, it won't seem so difficult． 6 does a small child hear his mother's tongue(语言)?He 7 what people say, and he tries to guess what he hears．When he wants something, he has to 8 it, and he is using the language, 9 in it and talking in it all the time．If people use a second language all the time, they 10 it quickly．
1．________ 2．________ 3．________ 4．________ 5．________
6．________ 7．________ 8．________ 9．________ 10．________
Millie has written the first part of the story but she missed a few words．Help her complete the sentences．米莉写了故事的第一部分，她丢掉了几个词，帮助她完成句子。
Tom and the jewel thiefTom got along with all of his neighbours except the man who lived next door．
The man never spoke to anyone and no one knew what he did for a living．
One day, when Tom came home from work, he found a(1)________ outside his(2)________．Tom wondered where it came from．
Tom thought that perhaps someone had dropped the necklace．So the next day, he took it to the(3)________．He thought the police would be able to find the owner．A policeman told him that a jewellery store had been robbed．Diamonds and gold worth 500, 000 were(4)________．Tom was very surprised when he was(5)________ with(6)________．The policeman told him that a(7)________ said that she had seen someone run from the(8)________ store into Tom's(9)________ right after the robbery．
Tom was not(10)________ but how could he prove it?
汤姆和珠宝贼除了隔壁的那个人，汤姆和他的邻居相处很好。这个人从来不和别人讲话，没有人知道他以何谋生。
一天，汤姆下班回家，他发现一串项链在他的门外面。汤姆不知道它是从哪里来的。
汤姆想可能是有人丢掉了项链。于是第二天，他把项链送到了警察局。他认为警察会找到失主的。一个警察告诉他说一个珠宝店被抢劫了。
价值50万元人民币的珠宝和黄金被盗。当汤姆被指控为抢劫时，感到十分吃惊。警察告诉他，一个目击证人说在抢劫案发生后，她看见有人从珠宝店跑进汤姆的公寓。
汤姆没抢劫，可是他怎么证明呢？
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