1 . A strong password is ________ for protecting your personal information online because it stops other people from getting into your accounts.

A．varied

B．short

C．easy

D．crucial

3 . 作为世界上最大的雨林, 它在维系地球生态系统的微妙平衡上扮演着举足轻重的角色。(汉译英)

4 . 根据句子内容，从每组选项中选出能匹配句子中划线部分意义的选项。选项中有一项为多余选项。

A. extremely important, because it will affect other things B. to show that sb/sth is right or reasonable C. to introduce new things, ideas, or ways of doing sth D. the process of comparing two or more people or things E. many times at short intervals F. able to give completely correct information or to do sth in an exact way

1. How can teachers justify spending so much time on outdoors activities?
2. We must constantly adapt and innovate to ensure success in a growing market.
3. Comparison with other oil-producing countries is extremely interesting.
4. Police have stressed that this is the most accurate description of the killer to date.
5. This is a crucial year for your relationships in general and your love life in particular.

7 . Though the pretty girl got what she had listed on the paper, she looked at the shop window with ________ eyes.

A．crucial

B．fierce

C．uncomplicated

D．greedy

10 . Environmental factors at home and school are ________ (至关重要的) if we want to guarantee the healthy growth and development of children. (根据汉语意思单词拼写)