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问题 多项选择题

政府采购的执行模式应当包括（）。

A.自行采购

B.集中采购

C.供应商采购

D.分散采购

答案

参考答案：B, D

解析：本题考核政府采购的执行模式。政府采购的执行模式包括集中采购和分散采购两种。

完形填空

缺词填空 (每小题1分，共10分)

根据短文内容和首字母提示，在下文空格处填入适当的词使短文完整。(每空一词)

Hello, boys and girls. I have some important things to tell you.

What’s the d 小题1: today? Yes, it is 8 November. And tomorrow is a big day for u  小题2:. It’s our first Open Day. And all your parents will come to school. We must get r  小题3: for it.

First of all, there is a p 小题4:   meeting in the school h  小题5:. It begins at 8:30 in the morning. So please tell your parents not to be l  小题6: . And after that, your parents can come to the classrooms. They can w 小题7: two of our lessons. You don’t want your parents to see a dirty and messy classroom, do you? So we must keep our classroom c  小题8: . And I h  小题9: all of you can be active in class. And I want you to be polite, too.

L  小题10:  work hard together to make tomorrow a happy day!
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单项选择题

表面活性剂毒性大小排列顺序是

A．非离子型＞阴离子型＞阳离子型＞两性离子型

B．阳离子型＞阴离子型＞两性离子型＞非离子型

C．阴离子型＞阳离子型＞两性离子型＞非离子型

D．两性离子型＞阴离子型＞阳离子型＞非离子型

E．非离子型＞两性离子型＞阴离子型＞阳离子型
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