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问题 单项选择题

企业采购工作的第一步是（）。

A.采购申请

B.市场调查

C.需求预测

D.供应商调查

答案

参考答案：A

填空题

已知：⊙O1、⊙O2的半径分别是1和2，O1O2=4，则⊙O1与⊙O2的位置关系是______．
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填空题
选择方框中适当的单词或短语填空。(每词限用一次)
go, at the moment, get to, look after, talk about,
call…for help, check, far from, be careful, go upstairs
1. Don't forget to _______ that computer. It doesn't work.
2. If you have anything in trouble, you can ________ 110 ________.
3. I'll _______ to look for my lost watch.
4. My mother is ill. I have to ________ her at home today.
5. We often ________ that book after school.
6. My home is ________ my school. So I go to school by bus.
7. ________! A car may hit you.
8. — How can I ________ the bus stop?
    — Turn left and walk on. It's on your left.
9. — What about ________ shopping with me? — Good idea.
10. They are singing and dancing at the party _______. Let's go and have a look.
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