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【单选题】
In order to stay competitive at work, employees _________A.
must do endless tests provided by company psychologists
B.
decide to give up their individual happiness and health
C.
have to keep an eye constantly on other co-workers
D.
have to take the risk of sacrificing both health and happiness
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反馈参考答案：
举一反三
【简答题】gift money/lucky money/new year money
【简答题】在谐振型开关电源中，由于功率开关管实现了（）或（）切换，因此基本上消除了；同时由于功率开关管的导通电阻非常小，所以（）也非常小。
【简答题】在谐振型开关电源中,由于功率开关管实现了()或()切换,因此基本上消除了()
【单选题】In China it is a custom to give kids lucky money _________ during the Spring Festival. [ ]
A.
finally
B.
luckily
C.
simply
D.
especially
【单选题】It is common to give children and the seniors some lucky money on the eve of the Spring Festival.
A.
practice
B.
reality
C.
knowledge
D.
belief
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