down.

　⑥. The policeman found that a rope _____________ the window.

⑦. No one can be sure what may happen ________________.

(二) Classroom learning and exploration 课堂学习和研讨

1. Presentation of the preview 预习成果展示

2. Explanation and discussion 答疑讨论

3. Classroom learning tasks 课堂学习探究任务

Task 1: Learn the following key phrases and finish the exercises.

1. globe n. 【small ball-shaped model of the earth】地球仪

global adj. 【covering or affecting the whole world; worldwide】 全球性的; 世界的

The value of US dollars played an important part in global economics.

⑴ 全球气候变暖的问题需要重视。

_______________________________________________________________

⑵我们的地理老师常常在课堂上与我们讨论世界各地之趣事。

________________________________________________________________

2. affect v. have an influence on (sb/sth) 影响, My throat is affected by a cold.

attack or infect, as a disease 感染（疾病）

This disease affects millions of people in the world every year.这种病每年都会使全球上百万人感染。

to act on the emotions of; touch or move 打动，感动

All the people in the room are affected to tears.屋里所有的人都被感动得流了泪。

affection n. feeling of love, or fondness 喜爱; disease or disease condition 疾病，病情

He felt great affection for his sister.

effect n. 影响 have an effect on something

⑴ 街上传来的噪音影响我们的工作。

________________________________________________________________

⑵ 这种药对我有良好的治疗。

________________________________________________________________

3. crime n. 【C】 activity against the law 罪行