6. A. out　　　　 　　　 B. at　　　　　　　　　　 C. on　　　　　　 D. up

5. A. human　　 　　　 B. sign　　　　　 C. mother　　　　　　　 D. animal

4. A. actions　 　　　 B. ideas　　　　　 C. messages　　 D. feelings

3.A.experience　　　 B. change　　　 　　　 C. produce　　　 D. become

2. A. for　　　　 　　　 B. on　　　　　　 C .to　　　　　　　　　　 D. by

1. A. foolish　 　　　 B. simple　　　　 C .real　　　　　　 D. ordinary

15. C。看到督学来到后老师学生们的紧张表现，“我决定长大后要当督学。”

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　 　 Washoe is a young chimpanzee(黑猩猩). She is no 　1　 　chimpanzee, though. Scientists are doing research(研究) 　2　 her. They want to see how civilized(驯化) she can 　3　 . Already she can do many things as human being does.

　 　 For example, she has been learning how to exchange 　4　 　with people. The scientists are teaching her 　5　 　language. When she wants to be picked 　6　 , Washoe points up with one finger. She rubs her teeth with her finger 　7　 　she wants to brush her teeth. This is done after every meal.

　 　 Washoe has also been trained to find answers to problems. Once she was put in a room with food hanging from the top. It was too high to 　8　 . After she thought about the problem, she got a tall box to stand 　9　 . The food was still too high to be reached. Washoe found a long stick. Then she climbed onto the 　10　 , caught the stick and　 11　 　down the food with the stick.

　 　 Washoe 　12　 　like a human, too. The scientists keep her in a fully furnished(布置好家俱的) house. After a hard 　13　 　in the lab, she goes home. There she plays with her toys. She 　14　 　watches television before going to bed.

　 　 Scientists hope to 　15　 　more about people by studying our closest relative---the chimpanzee.

14. C。 因为督学looked very angrily at our teacher ，因此our teacher 把气都撒在了我们身上。

13. B。hard 在此相当于difficult，选择此空时要注意前面的转折词。

12. C。much修饰不可数名词，这里代所说的话。