6．Millie wants to write about the rainforests．Davis，her Geography teacher，knows a lot about rainforests．So Millie is interviewing him to get some information． Millie：Where are the rainforests？ Davis：Rainforests cover 6% of the Earth's surface．There are rainforests in many parts of the world but the biggest forests are in South America and South-east Asia （亚洲）．There aren't any rainforests in Europe （欧洲） or North America． Millie：What's in the rainforests？ Davis：About 75% of all the kinds of animals come from rainforests．Thousands and thousands of animals live in rainforests．There are many beautiful birds，insects and reptiles．There are also thousands of different plants!It is always hot in a rainforest and the ground is always wet．It is also dark． Millie： Why are the rainforests important？ Davis：The rainforests are very important for us．We need them!The trees and other plants in the forest help to make the air clean．They give us wood，rubber，fruits and many of our medicines． Millie：（51）______ Davis：Unfortunately，in many places，the rainforests are in danger．For example，many years ago there was a large rainforest in Java．There were thousands of different plants and animals in the forest，but now there is nothing．The same thing is happening now in many other parts of the wold．The rainforests are in danger．
49．In which country can we find rainforests according to David's answer？D A．In the UK． B．In Canada． C．In the USA． D．In India．（印度） 50 Which of the following belongs to a kind of"reptile"？C A．A sparrow． B．A swallow． C．A snake． D．A butterfly． 51．Which might be Millie's fourth question？A A．What's happening to the rainforests？ B．What can we find in the rainforests in Java？ C．Why did people cut down the trees in the rainforests？ D．Why did many plants and animals disappear in the rainforests？ 52．What can we learn from the interview？C A．We must learn how to survive in the rainforests． B．More and more animals live in the rainforests now． C．It is important to protect the rainforests． D．It is always cold and wet in the rainforests．
10．It was Monday．Mrs．Smith's dog was hungry，but there was not any meat in the house． Considering that there was no better way．Mrs．Smith took a piece of paper，and wrote the following words on it："Give my dog half a pound（磅） of meat．"Then she gave the paper to her dog and said gently："Take this to the butcher （屠夫），and he's going to give you your lunch today．" Holding the piece of paper in its mouth，the dog ran to the butcher's．It gave the paper to the butcher．The butcher read it carefully，recognized that it was really the lady's handwriting and soon did it as he was asked to．The dog was very happy，and ate the meat up at once． At noon，the dog came to the shop again．It gave the butcher a piece of paper again．After reading it，he gave it half a pound of meat once more． The next day，the dog came again exactly at noon．And as usual，it brought a piece of paper in the mouth．This time，the butcher did not take a look at paper，and gave the dog its meat，for he had regarded the dog as one of his customers （顾客）． But，the dog came again at four o'clock．And the same thing happened once again．To the butcher's more surprise，it came for the third time at six o'clock，and brought with it a third piece of paper．The butcher felt a bit puzzled．He said to himself，"This is a small dog．Why does Mrs．Smith give it so much meat to eat today？" Looking at the piece of paper，he found that there were not any words on it!
51．Mrs．Smith treated her little dog quiteC． A．cruelly（残忍地） B．fairly （公正地） C．kindly D．unfriendly 52．It seemed that the dog knew well that the paper Mrs．Smith gave it．B A．might do it much harm（害处）． B．could do it much good C．would help the butcher D．was worth（值） many pounds 53．The butcher did not give any meat to the dog．A A．before he felt sure that the words were really written by Mrs Smith B．when he found that the words on the paper were not clear C．because he had sold out all the meat in his shop D．until he was paid enough by Mrs．Smith 54．From its experience，the dog found that．D A．only the paper with Mrs．Smith's words on it could bring it meat B．the butcher would give the meat to it whenever he saw it C．Mrs．Smith would pay for the meat it got from the butcher D．a piece of paper could bring it half a pound of meat 55．At the end of the story，you'll find that．D A．the dog was clever enough to write on the paper B．the dog dared not （不敢）go to the butcher's any more C．the butcher was told not to give any meat to the dog D．the butcher found himself cheated （被骗） by the clever animal．
