[单项选择]Tariffs may （） on commodities leaving an area or on merchandise entering an area.
A. levy
B. be levied
C. effect
D. be effected

[单项选择]Tariffs may （） on commodities leaving an area or on merchandise entering an area.
A. levy
B. be levied
C. effect
D. be effected

[单项选择]27 One cannot 1ive______ 　　28 Dehydration may occur if there is a shortage of water_____ 　　29 The amount of water your body needs per day is closely related______ 　　30 Don’t forget to drink enough water even______

[单项选择]If the diameter of a circle is 14, then the area of the circle is （）.
A. 7π
B. 14π
C. 28π
D. 49π
E. 196π

[填空题]Why People work
We may fully realize the role of work in providing us the
(1)______things of life. But we may ignore its role in 1. ______
contributing to our (2)______well-being. For most people, 2. ______
work is not only a necessity, but also the (3)______of 3. ______
their lives. Many doctors have observed its (4)______ 4. ______
effect. For many people, the absence of job is (5)______to 5. ______
their health.
Why people need work Firstly, people get their
(6) ______rewards from work. Everybody wants to do 6. ______
something that can serve as a (7)______to our ability. 7. ______
Secondly, people need to be (8)______recognized. A good 8. ______
job can provide people with both status and (9)______ 9. ______
We are often misled by people’s complaints about difficult
work. In fact, most of them regard their o

[填空题]You may write some special cues in your speaking outline in order to direct and ______.

[简答题]Although it may feel like it, a headache is most often not a pain in your brain. Your brain quickly tells you when other parts of your body hurt.