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(   ) 3. ―Must I come at 6：30 tomorrow morning?

   A. can   B. need   C. should   D. must

(   ) 2. Look at the "No parking" sign. You      park your car here.

   A. should   B. must   C. needn't   D. mustn't

(   ) 1. The sign "     " means that people can't talk here loudly.

   A. Turn left   B. No shouting   C. No food   D. No photos

1. 不帶管制刀具 (restricted knives) 到校;

2. 上下樓梯不要擁擠；

3. 注意飲食安全；

4. 注意交通安全，遇到緊急情況 (emergency) 要報(bào)警。

詞數(shù)：80詞左右。開頭和結(jié)尾已給出，不計(jì)人總詞數(shù)。 

                    How to protect ourselves 

How to protect ourselves is especially important to us students.         It's our duty to protect ourselves. Let's start from today.

②越來越美好        

①行為得體        

③翻譯該句：待人有禮，樂于助人。

②樂于助人        

①待人有禮貌