參考答案：

Keys:
1—5 BDDAA 6—10 BDABB 11—13 DBC 14—16 ACD

17. stuck 18. Subway 19. 2143556 20. invitation

21. her last exam 22. the city center 23. Boston 24. European art museum

聽力評分標準

1、17—20 題，每拼錯一個單詞扣1分。

2、21—24 題，每拼錯/漏寫/誤寫一個單詞扣0.5分。

3、23、24題首字母必須大寫。

II. Grammar and vocabulary

25—29 CBBAB 30—34 CADDB 35—39 CBC(B)DC 40 C

41—45 GHCAJ 46—49 FBEI

III. Reading

50—54 BDCAB 55—59 BBCCC 60—64 AACCA

65—68 BDCC 69—71 BDA 72—75 ADAB

76—80 ACEFB

81. chemicals in the brain

82. they needed more junk food to stimulate their pleasure centers/ needed more brain stimulation to feel good

83. By delivering a small electrical charge to the rats’ brains.

84. To understand the role the brain plays in obesity/ how chemicals in the brain contribute to obesity.

簡答題評分標準
1、內(nèi)容正確，語法基本正確，得2分。

2、 內(nèi)容基本正確，語法正確或雖有錯誤，但不影響理解，得1分。

3、 即使語法正確，但是內(nèi)容錯誤，得0分。

4、 答案超過規(guī)定字數(shù)過多，得0分。

Translation:

1.We had better take/do exercise/ exercise every day.

2. Don’t hesitate to contact me/get in touch /make contact with me if you need more/any further information.

3. The total amount of the export this year has increased by three times, compared with/to that of the same time last year.

4. It is essential/necessary for students to participate in social activity/practice (in order) to learn something that they can’t get in class.

5. Long before children are able to speak or understand a language, they can communicate with adults through facial expressions and by making noises.Children can communicate with adults through facial expressions and by making noises long before they are able to speak or understand a language.