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【单选题】
有害金属镉主要蓄积的部位是( )A.
肝
B.
肾
C.
大脑
D.
心脏
E.
肺
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举一反三
【多选题】What factors can cause performance anxiety ?
A.
You worry too much about past performance.
B.
Y ou often compare with your friends .
C.
Y ou might worry about any negative consequences .
D.
Y ou think too much about the reaction of others to your work.
【多选题】Performance anxiety is not necessarily harmful since it can _________.
A.
make you nervous
B.
motivate you to do the work needed
C.
make you more alert and energized
D.
make you relaxed
【单选题】Performance anxiety can be caused when _______________________.
A.
people consider too much the reaction of audience to their presentation.
B.
people are worried about the bad result even if they do quite well as they like.
C.
people take advantage of past successful performance during interviews.
D.
people worry that they can’t meet the needs of their friends.
【单选题】Anxiety can______with children's performance at school.
A.
refer
B.
prefer
C.
infer
D.
interfere
【简答题】数控线切割机床,采用细金属丝作为____电极,接脉冲电源的____极。
【单选题】Which of the following statements about “performance anxiety” is correct?
A.
It may impair people’s ability to socialize with others during the event.
B.
People often become negative if they have performance anxiety.
C.
Performance anxiety can always do harm to people’s preparation.
D.
A little nervous can motivate people to make good preparation.
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