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【单选题】
催化胆固醇酯生成作用的酶主要是A.
肝脂酶
B.
脂蛋白脂肪酶
C.
磷脂酶
D.
HMG-CoA 还原酶
E.
卵磷脂胆固醇脂酰转移酶
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举一反三
【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】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】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
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