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【简答题】
形状记忆合金具有“形状记忆效应”的原因是________;
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举一反三
【单选题】What is estimated in the poor countries?
A.
Many people have not enough money
B.
Many people have no place to live in
C.
Many people have not enough money to see doctors
D.
All of the above
【单选题】—Why did you give up the job in Australia? —Because I don't want to stay far away from my family. You know, my family means ______ to me. [ ]
A.
everything
B.
nothing
C.
anything
D.
something
【单选题】The scientists have made an exhaustive study of the virus _______ many people have been inflected.
A.
to which
B.
in which
C.
with which
D.
for which
【单选题】— Why did you give up the job in America? — Because I don’t want to stay far away from my girlfriend. You know, she means ______ to me.
A.
everything
B.
nothing
C.
anything
D.
something
【简答题】Milk contains rich proteins, and many people have it for lunch.
【单选题】企业产品效果难以确定,如产品能否达到消费者的要求,产品是否有副作用,生产和消费过程中是否会造成环境污染等,这种风险属于( )。
A.
资源风险
B.
资金风险
C.
技术风险
D.
市场风险
【简答题】Many people may have'deliberately helped Kyle because they ______ .（ ）
【简答题】A．Many people have quit their old houses to build new ones. B．Many older people sell their houses after their children leave. C．Many old houses in the bad part of the town are not inhabited. D．Many yo...
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