3. It was a common disease, but Dr. Lee didn’t ____ the symptoms before a careful checkup.

A. expect   B. invent  C. doubt   D. recognize

2. Children are curious _______ nature and adults should encourage their natural curiosities.

A. on      B. at      C. in     D. by

1. ― I’ve decided to quit this job, but I’m afraid I won’t be able to find a better one.

― _______. You never know until you try.

A. Good luck     B. Never mind    C. Go for it    D. Forget it

3. 参考词汇：选修课 elective course

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2. 词数：100左右；

1. 可适当增加细节，以使行文连贯；

4. 截止日期：下周一上午8点。

注意：

3. 将建议发送至：comments@dyschool.com；

2. 就开设什么选修课征求意见；

1. 学校的计划；