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问题 单项选择题

对于机电产品国际招标项目，除了在规定的投标截止时间之前提交投标文件之外，《机电产品国际招标投标实施办法》还规定，投标人在规定投标截止时间前，还应当在( )上进行免费注册，否则投标人将不能有效地进入招标程序。

A．中国国际招标网
B．中国采购与招标网
C．中国招标网
D．中国政府采购网

答案

参考答案：A

听力题

根据短文内容及首字母提示，填写所缺单词。(每小题1分，计10分)

Kitty was a student in a small town. It was going to be her mother’s birthday. She wanted to buy her a present that would be nice and useful but not e   1 .

She went s   2 after a quick and simple lunch. After she looked for about forty minutes, she found a shop that was selling cheap umbrellas, and she d  3 to take a black one. She thought, “Mom can carry it when she is wearing clothes of any c  4  .” So she bought a lovely black umbrella and took it to school with her until her classes finished.

On her way home on the train she felt h    5 . So she went to the buffet car (餐车). She left the umbrella on her seat. But when she r   6 , it had gone. Kitty began to cry. The other passengers felt very sorry for her and asked what the matter was. She told them the black umbrella she bought for her mother had gone, and she had to get off at the next station. After the three passengers h   7 this, they asked her for her mother’s a   8 so that they could send the umbrella to her if someone took it by mistake (弄错) and brought it b   9  .

And now a week passed. Kitty got a letter from her mother. It said, “Thank you very much for your lovely g   10  , but why do you send me three black umbrellas?”
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单项选择题

"动脉瘤样骨囊肿"正确的演变顺序为（）

A.稳定期、溶骨期、膨胀期、愈合期

B.膨胀期、稳定期、溶骨期、愈合期

C.溶骨期、膨胀期、稳定期、愈合期

D.稳定期、膨胀期、溶骨期、愈合期

E.膨胀期、溶骨期、稳定期、愈合期
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