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Unit 7 Know our worldLesson 42 North America同步练习 选择题1. She doesnt live here _. A. anything B. anymore C. anywhere D. anyone2. He doesnt like playing the piano, _? A. is he B. do he C. does he D. did he3. Will you compete _ the race? A. in B. at C. on D. of4. Please _ your money in a safe (安全的) place. A. take B. trade C. keep D. bring5. Wow! The dinner smells _. A. well B. very much C. good D. much 根据动词的适当形式填空1. This book is (difference) from that one. 2. The continent (cover) more than 44 million (square kilometer).3. Tell him (be) quiet in the reading room. 4. Europe is the worlds (two) smallest continent. 5. He (say) its good for you. 填空1. Go and find out whats happened and _ (报告) back to me! 2. Are you a _ (成员) of the tennis club? 3. Its no use tying (捆) it. Youll have to _(粘) it. 4. Jack is a famous lawyer in his own _(领域).5. I must _ (安排) my life better. 完形填空From Monday to Friday most people are busy working or studying, and in the evening and weekends they are free and 1_ themselves. Some watch television or go to the movies, and others 2_ sports. This is decided by their own interests.Almost everyone has some kind of hobby. It may be something from collecting stamps to 3_ model planes. Some hobbies are very 4_, but others dont cost anything at all. Some collections are worth a lot of money, others are valuable（有价值的）only 5_ their owners.I know a man who has a coin collection worth several 6_ dollars. A short time ago he bought a rare（罕见的）fifty-cent piece which 7_ him $ 250! On the other hand, my youngest brother collects match boxes. He has almost 600 of them, but I wonder 8_ they are worth any money. 9_, to my brother they are quite valuable. Nothing makes him 10_ than to find a new match box for his collection.Thats what a hobby means, I think. It is something we like to do in our free time just for the fun of it. 1. A. love B. work C. enjoy D. play2. A. look like B. take care of C. think about D. take part in3. A. make B. making C. buying D. trade4. A. interesting B. exciting C. cheap D. expensive5. A. to B. with C. on D. in6. A. thousand B. thousands C. of D. thousand of7. A. paid B. cost C. took D. spent8. A. that B. if C. what D. why9. A. So B. If C. However D. And10. A. good B. happier C. faster D. quick 阅读理解Scientists think that most animals cant see colors. The world is black and white to them.To find out if dogs could see colors, scientists gave dogs food every time they played a certain piece of music. The dog got ready to eat only when they heard this piece of music. They did not get ready to eat when they heard other piece of music.Then the scientists gave the dogs food every time they showed them acertain color. The dogs got ready to eat when they saw this color. The scientists then showed the dogs another color. Again the dogs got ready to eat. The colors were all the same to them.Colors are not all the same to the monkeys, however. For example, if we put food in a red box and do this every day, a monkey will always go to the red box to get the food. If we then put food in a blue box, the monkey wont go to it.11. All colors are the same to .A. all animalsB. scientistsC. monkeysD. dogs12. Monkeys know that red and blue are .A. not the same B. the sameC. colorsD. food 13. The scientists give the dogs food every time they .A. saw the color red B. went to a box of foodC. saw the color blue D. played certain music14. Dogs are different from monkeys because .A. dogs cant see any colors and monkeys can B. dogs cant see more colors than monkeysC. monkeys cant see any colors and dogs can D. monkeys cant see red and blue15. Some wanted to find out if dogs could see colors.A. animals B. doctors C. scientists D. monkeys答案和解析 选择题1-5 BCACC 根据动词的适当形式填空1. different 2. covers, square kilometers3. to be4. second5. says 填空1. report 2. member 3. gule 4. field 5. organize 完形填空1-5 CDBDA 6-10 ABBCB 11-15 DADBC
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