A. being persuaded B. persuading

C. to be persuaded D. to persuade

【答案】D。

【解析】try to persuade sb to do"尽力劝"。to persuade用作目的状语。句型：try sth. to do sth.

考点2. lack n. 缺乏；没有；缺少的东西vt. & vi. 缺乏；短少；没有

The disease is spreading fast in Africa and parts of Asia, mainly because of a lack of proper health care, prevention and education.

Heart disease associated with stress, smoking and a lack of exercise.

persuaded

persuade

tried to persuade him to give up smoking

心脏病与紧张、吸烟以及缺乏锻炼有密切的关系.

lack vt. & vi. 缺乏；没有；缺少

lack for/in 缺乏

(a/the) lack of 缺乏；没有；缺少

(1)He's certainly not _________(缺乏)in intelligence.

(2)Money is still _________(缺乏)for the new hospital.

(3)A _________(缺乏)of food forced many people to leave

their homes.

(4)The _________(缺乏)of rain led to the serious lack of food.

(5)她似乎缺少成功的信心。

(写作小练笔：主系表(to do)；seem, will to succeed)

_________________________________________

考点3. discourage vt. 使泄气；使失去信心

Xiaohua knows that she will die before she has a chance to grow old, but she does not let that knowledge discourage her.

lacking

lacking

lack

lack

She seems to lack the will to succeed.

He is never discouraged by difficulties.

他从没因困难而泄气。

discourage vt. 使泄气；试图阻止；劝阻

discouragement n. 气馁；挫折

courage n. 勇气

encourage vt. 鼓励;

encouragement n. 鼓励