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【单选题】
减压阀在不工作时,阀口一般处于( )状态。A.
B.
常闭
C.
不确定
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举一反三
【简答题】1 What does the text begin with ? 2 In the middle (the body) of the text the author gives his thoughts on an incident he found interesting.What are his thoughts mainly about? 3 How does the author win...
【简答题】Though born into a ________ family, the author found his talent for sales and ___________ himself as the ___________ president in charge of sales in a Swedish company at the age of 28. However, he was...
【单选题】(2014年德州)右图是我国古代一项著名的水利工程,下列对它的表述正确的一项是( ) 1该工程是元世祖下令开凿的 2开凿目的是为了南粮北运 3该工程以洛阳为中心 4它是古代世界最长运河
A.
②③
B.
①④
C.
②④
D.
③④
【简答题】In the middle (the body) of the text the author gives his thoughts on an incident he found interesting. What are his thoughts mainly about?
【简答题】糖酵解、三羧酸循环和电子传递/氧化磷酸化是需氧生物呼吸代谢最主要的三个阶段，分别发生在 ________、线粒体基质和线粒体内膜上。
【单选题】照样子填空。 例: 很(多)很(多)的房子 很( 1 )很( 1 )的山 很( 2 )很( 2 )的河水
A.
①高 高 ②清 清
B.
①重 重 ②矮 矮
C.
①胖 胖 ②黑 黑
【单选题】______ The author found the birthday present his father was going to give him and ran to an air-raid shelter to get a closer look at it.
A.
T
B.
F
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