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【简答题】
_________年6月17日,中国自行设计、制造的第一颗氢弹在中国西部地区上空试爆成功。
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举一反三
【单选题】It is essential that misunderstanding ______ during business negotiations.
A.
be avoided
B.
is avoided
C.
will be avoided
D.
has to be avoided
【单选题】During the business day, you will most likely be offered ______.
A.
food
B.
coffee
C.
milk
【单选题】During the valve overlap period, the exhaust pressure of a turbochargers, four-stroke/cycle diesel engine must be less than the intake manifold pressure to ensure __________.
A.
effective cylinder scavenging and cooling
B.
constant pressure from the turbochargers
C.
cooler operation of the exhaust system
D.
effective constant pressure for turbocharger operation
【单选题】During a successful business career, she accumulated a great amount of ________
A.
health
B.
poverty
C.
wealth
D.
prosperity
【单选题】Many people lost their jobs during the business______.
A.
desperation
B.
decrease
C.
despair
D.
depression
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