皮皮学,免费搜题
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搜题
【单选题】
线粒体内膜上的标志酶是
A.
单胺氧化酶
B.
细胞色素氧化酶
C.
胸苷激酶
D.
腺苷酸激酶
E.
磷酸二酯酶
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举一反三
【单选题】通常将特殊的、易引起危害的装置放在() 。
A.
正常范围之内
B.
最大范围之外
C.
最大范围与正常范围之间
D.
最大范围之内
【单选题】Why couldn't Karl promise anything?
A.
He didn't want to lend Larry a hand.
B.
Larry's case was too serious.
C.
Larry would be found guilty for sure.
D.
The other members of the jury might not listen to his recommendation.
【单选题】Mr. Smith couldn’t open the door because his naughty boy ______ it from the inside.
A.
would lock
B.
was locking
C.
has locked
D.
had locked
【单选题】在间歇反应器中等温进行一级不可逆反应A→R,当转化率达90%时,所需反应时间为2h若反应改在管式反应器中进行,空时为2h,其它条件同间歇反应器,则转化率为()。
A.
60%
B.
90%
C.
45%
【单选题】The traffic was making so much noise that I couldn’t hear what he________ .
A.
is saying
B.
was saying
C.
has said
D.
will say
【单选题】在反应体积 1m 3 间歇反应器中等温进行一级不可逆反应 A → R ,当转化率达 90 %时,所需反应时间为 2h ,若反应条件不变,反应体积改为2 m 3, 则 2h时 转化率为( )
A.
60%
B.
90%
C.
45%
D.
75%
【单选题】生鲜品配送中心又称为( )。
A.
湿货配送中心
B.
干货配送中心
C.
流通型配送中心
D.
加工型配送中心
【单选题】一 Where have you been all day? — I _____ some former classmates and I couldn't get back until it was dark. [     ]
A.
have met
B.
met
C.
would meet
D.
had met
【单选题】________ enough time, but he couldn’t do it better.
A.
He was given
B.
Given
C.
To be given
D.
Though he was given
【判断题】生鲜品配送中心又称为湿货配送中心。
A.
正确
B.
错误
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