下列有利于防止病菌污染食品的途径是（）。A.食品加工人员不良的

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问题单项选择题

下列有利于防止病菌污染食品的途径是（）。

A.食品加工人员不良的卫生习惯

B.生熟案板分开

C.食品加工人员携带病菌

D.食品容器、工用具污染了病菌

答案

参考答案：B

填空题

用所给动词的适当形式填空

1. I____ (live) in a quiet village with my grandparents.

2. Look at the birds____ (sing) in the tree. How beautifully they sing!

3. Everyone in our class ____(get)a new book.

4. This boy is very naughty. He often _ _ (lie) on the floor.

5. Thank you for ____ (tell) me about that.

问答题简答题

对气焊、气割工作点怎样按资料准备外形图？