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问题 单项选择题

最常用的肾小球滤过型肾动态显像的显像剂是（）

A．99mTc-DTPA

B．邻-131I马尿酸钠

C．131I-6-碘代胆固醇

D．99mTc-DMSA

E．以上都不正确

答案

参考答案：A

单项选择题

2009年4月20日面世，专营高档消费品的千寻网迅速失败的原因不包括（）。

A.代理的国外高档商品，目标消费群体数量有限

B.发货周期长、服务不好

C.价格高且假货泛滥

D.没有足够的资金支持导致资金链的断裂
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填空题

  • A. Is that clear
  • B. Can it do some washing
  • C. Why do you think it is useful
  • D. It appeared several centuries ago, didn’t it
  • E. Will robots be the same as people
  • F. What is it
  • G. Could you please tell me more about robots
    A: Today we are going to talk about a great invention. It looks like a human being. (61)
    B: It’s a robot. (62)
    A: Of course not. The first robot was invented in 1921.
    B: (63)
    A: Sure. They can take the place of humans to do some boring work. They can also do a lot of dangerous work instead of humans.
    B: (64)
    A: No. Robots can do a lot of work instead of people in many ways, but people wouldn’t be replaced by robots. (65)
    B: We get it.
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