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【单选题】
（单选）往复泵与离心泵在如下哪一方面是相似的（）A.
结构
B.
工作原理
C.
液体获得的机械能的形式
D.
液体获能的方式
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【单选题】The Imperial Palace, _____ the Emperor of Japan and his family live in, is open to public twice a year. [ ]
A.
where
B.
which
C.
that
D.
what
【简答题】Japan is a constitutional monarchy where the power of the Emperor is very limited. Power is held chiefly by ________ and other elected members of the Diet, while sovereignty is vested in the Japanese ...
【简答题】（10海南） 过滤是化学实验的基本操作。 (1) 做过滤实验时，发现过滤后滤液仍然浑浊。其原因可能是什么 ?( 说出一种即可 ) (2) 举出生产生活及实验中使用过滤的一个实例。
【单选题】We are surprised at the fact ____ the children did it all on their own.
A.
that
B.
which
C.
whose
D.
why
【简答题】We are surprised at his great________(improve ;improvement) in English.
【简答题】Japan is a constitutional monarchy where the power of the Emperor is very limited. Power is chiefly held by ________ and other elected members of the Diet, while sover eignty is vested in the Japanese...
【判断题】The Emperor of Japan has no real power and is a symbol of national unity. ( )
A.
正确
B.
错误
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