Directions:

The Students Union of your university is planning to star a campaign to fight against the appalling waste on the campus. You are expected to write a letter of proposal on behalf of the Students Union calling on all students to take part in this campaign.

Write your letter in no less than 100 words. Write it neatly on ANSWER SHEET 2.

Do not sign your own name at the end of the letter; use "The Students Union" instead.

Do not write the address. (10 points)

倒闸操作前，应先核对（）.

A、设备名称

B、设备编号

C、设备位置

D、设备电流