endanger vt.使......处于险境；危及

encourage v．鼓励

enrich v．使......丰富 protection n．保护

attraction n．吸引；吸引力

communication n．交流；沟通 　　Ⅲ.补全短语

　　根据提示补全下列短语

　　1．in danger 处于危险中

　　2．thanks to 幸亏，由于

　　3．put down 放下

　　4．give one's life 献身

　　5．at a time 一次

　　6．on the spot 当场

　　7．be made into 被制成

　　8．come into fashion 开始流行起来，成为时尚

　　9．take an active part in 积极参加

　　10．get tough with 对......采取强硬措施

　　Ⅳ.选词填空

　　选用上述短语的适当形式填空

　　1．According to the library rules，you can't borrow five books at_a_time．

　　2．She put_down the phone，sighed，and shook her head sadly.

　　3．When the manager knew about the whole incident，he apologized to us on_the_spot．

　　4．Tom gave_his_life to save the fishermen from the storm at sea.

　　5．Short hair and short skirts came_into_fashion at about the same time.

　　[寻规律、巧记忆]

in＋n.→介词短语 come into＋n.→动词短语