1 . 上大学不仅意味着抓住继续深造的机会，还意味着加深对周围世界的感悟。(grasp, insight) （汉译英）

2 . 为了保护环境，越来越多的人乘坐公共交通工具而不是开私家车。(rather than)
________ the environment, more and more people________ private cars.

4 . Sugar can add a pleasant smell and bring happiness to you, ______ it is the salt that is crucial to the flavor. (用适当的词填空)

7 . 有些人整个晚餐都在给网上的朋友发短信，却忽略了坐在他们面前的人。（汉译英）

8 . I ________ the information on my cellphone ________the teacher came by my desk.
我正专注我手机上的信息，突然老师来到了我的桌子旁。

9 . Mother is cooking _____ father is reading newspaper.

A．but

B．for

C．when

D．while