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【单选题】
（ ）不属于地下水源热泵的优点。A.
节能环保
B.
功能多样
C.
投资适中，运行费用低
D.
地下水回灌容易
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举一反三
【简答题】please rest assured ____________________(我们会把一切必要的事办好)
【简答题】(英译汉)Please rest assured that the goods will be satisfactory to your customers.
【单选题】Please rest assured that we will try our best to speed ( ) production
A.
in
B.
on
C.
up
D.
of
【单选题】Please rest assured that you will meet with no difficulties the goods in your area.
A.
to selling
B.
sell
C.
sold
D.
selling
【单选题】Please rest assured that you will meet with no difficulties the goods in your country.
A.
to selling
B.
sell
C.
sold
D.
selling
【单选题】Please rest assured that we will deliver the goods_______ due time.
A.
in
B.
on
C.
of
D.
at
【简答题】左心室的入口即( ),该口周缘有两片三角形的瓣膜,称( ),形态和作用与右房室瓣相同。左心室的出口为( ),位于左房室口的右前方,该口周缘有主动脉瓣,其形态和功能与肺动脉瓣相同。
【单选题】Please rest assured that you order will be executed to the entire _ of you customers.
A.
satisfaction
B.
satisfactory
C.
satisfying
D.
satisfied
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