3 . After they turned on the air-conditioner, the hot air rose, and the cold air ______ down into the lower part, and away from ______ they ate, slept, and chilled.

A．sank; where

B．sunk; what

C．dived; where

D．dove; what

4 . I believe ________ a good movie should be a good story first and a piece of art second.

A．what

B．which

C．that

D．who

5 . 我花太多时间在网上社交，以至于不断推迟现实中重要的事。(汉译英)

7 . He hopes to learn practical methods and apply what he learns to the situation in his own country. (英译汉)

8 . 我想知道究竟是为什么饮食均衡的人比以吃肉为主的人更健康。(强调结构，feed) (汉译英)

9 . 他想知道他的优势在哪。（汉译英）

10 . 通过广泛阅读，我希望我能扩大词汇量，这对提高英语至关重要。(用定语从句) (汉译英)