7. A. water B. mineral C. fiber D. protein

8. A. predict B. discover C. expose D. separate

9. A. combined B. left C. shared D. covered

10. A. over B. out C. down D. away

2语法填空

阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空，并将答案填写在答题卡标号为31-40的相应位置上。

词数：139 完成时间：8分钟 难度：**

Many people believe that they 31 (suppose) to drink eight glasses of water 32 day, or about two liters. Why? Because that is 33 they have been told all their lives. 34 a new report offers some different advice. The experts say people should obey their bodies; they should drink as 35 water as they feel like drinking.

The report contains some general 36 (suggest).The experts say that women should get about 2.7 liters of water 37 (day). Men should' get about 3.7 liters. But wait - in each case, that is more than eight glasses. There is an important difference. The report does not tell people how many glasses of water to drink. 38 fact, the experts say that 39 may be impossible to know how many glasses are needed to meet these guidelines. This is because the daily requirement can include the water 40 (contain) in foods.

3阅读理解

阅读下列短文，从每题所给的A、B、C和D项中，选出最佳选项，并在答题卡上将该项涂黑。

词数：313 完成时间：6分钟 难度：***

Burning the midnight oil before an exam or interview has an opposite effect according to a research which found that sleep is necessary for memories to be "downloaded" into the

brain.

"A good night's sleep within 30 hours of trying to remember a new task is a necessary condition of having good recall in the weeks ahead," scientists have found.

"We think that getting that first night's sleep starts the process of memory consolidation (加强),' said Robert Stickgold, a sleep researcher at Harvard Medical School who conducted the latest study.

"It seems that memories are normally washed out of the brain unless some process nails them down. I feel uncertain that sleep is one of those things that do the nailing down,"

Professor Stickgold said.

Professor Stickgold's team trained the 24 people to tell the direction of three diagonal bars (斜线) shown for a sixtieth of a second on a computer screen full of horizontal stripes (水平线).

Half the subjects were kept awake that night, while the others slept. Both groups were allowed to sleep for the second and third nights to make up for any