问题 名词解释

氨化作用

答案

参考答案:

就是微生物将有机氮化物转化成氨的过程。

写作题

你的美国好朋友Tony 要来中国,请你给他写封E-mail, 讲述一些中国的礼仪,使他不至于太紧张。(80词左右)提示:

1. 中国是一个历史悠久的国家,人们第一次见面时应该握手。(long history, shake hands)

2. 你应该用筷子而不是刀叉吃东西。( be supposed to )

3. 家人们围着桌子坐,吃米饭时端起饭碗吃。( sit at a table)

4. 把筷子插进食物里是不礼貌的,用筷子指向他人也是不礼貌的。( It’s rude to …)

5. 中国的礼仪与美国很不相同,但不要着急,很快就会习惯的。(get used to)

Dear Tony,

                                                                              

                                                                              

                                                                              

                                                                              

                                                                              

                                                                              

                                                                              

                                                                              

                                                                              

     Best wishes!                                                             

                                                                  Yours,      

                                                                  Li Hua     

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