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问题 多项选择题

口服药品不得检出 （）

A.霉菌

B.细菌

C.大肠杆菌

D.活螨

E.沙门菌

答案

参考答案：C, D, E

解析：口服药品不得检出致病菌。含动物类原药材粉的同时不得检出沙门菌。故答案选CDE。

填空题

填入适当的词。

1. I haven't heard from him_______ he went to America.

2.He won't be here_______ he is invited.

3. He will not go to the cinema______ he is very busy.

4. We found the key_______ she had left it.

5. We found the books two days ______he had gone away.

6. We had no sooner got to the station ________the train left.

7. He speaks English ______ he were an Englishman.

8.He is explaining clearly______  they can understand.

9. Do not leave the room______ you have finished the test.

10. She sang______ she went along.
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单项选择题

尺寸链中除（）环以外的各个环称为组成环。

A．增

B．封闭

C．减

D．开
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