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【单选题】
下列( )不是空气源热泵机组的特点A.
一机两用
B.
制冷与制热循环不采用独立的节流机构
C.
不需要冷却水系统
D.
安装方便
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举一反三
【简答题】For this part, you are allowed 30 minutes to write a composition on the topic What Is in the Way of Paying Back the Loans. You should write at least 120 words and base your composition on the outline ...
【单选题】It can’t be denied that the Diaoyu Islands are _______ part of China and what some Japanese have done recently is actually a defence against _______ Chinese people.
A.
a; /
B.
a; the
C.
the; /
D.
/; the
【单选题】It can’t be denied that the Diaoyu Islands are _______ part of China and what some Japanese have done recently is actually an offence against _______ Chinese people.
A.
a; /
B.
a; the
C.
the; /
D.
/; the
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