1 . 他们的生命正在遭受威胁，专家建议立即采取有效的措施。(进行时的被动语态)
Their lives________so experts recommend that________ immediately.

2 . 词性转换
1. illegal adj. 非法的；不合法的 → ____________ adv. 不合法地；非法地→____________ adv. 合法地
2. beauty n. 美；美人；美好的东西→____________ vt. 使美丽→____________ adj. 美的，美好的
3. extinct adj. 已灭绝的→____________ n. 灭绝→____________ adj. 使消灭的
4. danger n. 危险；风险→____________ vt. 使遭受危险；危害→____________ adj. 危险的
5. concern v. 涉及；让……担忧→____________ adj. 担心的；关切的→____________ prep. 关于；涉及
6. intend vi. & vt. 打算；计划；想要→____________ adj. 打算的；计划的→____________ n. 意图，目的，打算
7. adapt vi. 适应vt. 使适应；使适合→____________ n. 改编本，改写本；适应→____________ adj. 有适应能力的
8. threat n. 威胁→____________ vt. 威胁；危及→____________ adj. 受到威胁的
9. harmony n. 和谐；融洽→ ____________ adj. 和谐的
10. exist vi. 存在；生存→ ____________ n. 存在

3 . Directions: After reading the passage below, fill in each blank with a proper word given in the box. Each word can only be used once. Note that there is one word more than you need.

A. dignity B. favored C. endanger D. striking E. peered F. distinctive G. adapted H. wonder I. commitment J. expense K. share

1. Tan Dun ______ music from the original Kun opera and added his own work to these traditional pieces.
2. For a long time, my mother had not understood my ______ to the struggle.
3. It’s difficult to preserve your ______ when you have no job and no home.
4. In South Africa, it is hard for a man to ignore the needs of the people, even at the ______ of his own family.
5. In the 1800s, Beijing opera slowly replaced Kun opera as the ______ form of opera.
6. Families worry that sending children away to study in higher education could ______ the Yupik language and culture.
7. When one doesn’t see one’s family for many years at a time, the transformation can be ______.
8. The ______ features of Kun opera are spoken story-telling, singing and dancing, and each character has their own particular style of movement on stage.
9. When a whale is killed, the houses and school empty as everyone races to the beach to take a ______ of the meat.
10. They ______ out the window fearfully at the ivy vine, and then looked at each other for a moment without speaking.

4 . Should a driverless car serve to avoid pedestrians if that means hitting other vehicles or ________its occupants?

A．spoiling

B．endangering

C．blanketing

D．seizing

5 . 湖区水位提高可能要危及竹子的生长。这意味着以竹子为食物的大熊猫也将受到威胁。 (giant) (汉译英）