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【单选题】
下列句中加下划线词语解释不正确的一项是( )A.
药物的疗效就要 打个对折 。 打个对折：打个对半。
B.
贝尔曼 连讽带刺 地咆哮了一阵子。 连讽带刺：轻视，用尖酸刻薄的话讥笑人。
C.
你这个老头太 够呛 。 够呛：够受的。
D.
天刚亮， 不管三七二十一 就叫拉开窗帘。 不管三七二十一：什么都不顾，不顾一切的。
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【单选题】下列有关α螺旋的叙述哪个是错误的?
A.
减弱 R 基团间不利的相互作用使α螺旋稳定
B.
分子内的氢键使α螺旋稳定
C.
疏水作用使α螺旋稳定
D.
脯氨酸和甘氨酸残基使α螺旋中断
【单选题】下列有关α螺旋的叙述哪个是错误的？
A.
分子内的氢键使α螺旋稳定
B.
减弱R基团间不利的相互作用使α螺旋稳定
C.
疏水作用使α螺旋稳定
D.
在某些蛋白质中，α螺旋是二级结构中的一种类型
【单选题】下列有关α螺旋的叙述哪个是错误的。
A.
疏水作用使 α 螺旋稳定。
B.
分子内的氢键使 α 螺旋稳定。
C.
脯氨酸和甘氨酸残基使 α 螺旋中断。
D.
在某些蛋白质中， α 螺旋是二级结构中的一种类型。
【单选题】听力原文： Last night my sisters and I decided to go to a movie. My eldest sister stayed home because she didn't feel well. The theatre was downtown, so we asked my friend John for a fide. It was a very co...
A.
Have a party.
B.
See a film.
C.
Go to dance.
【单选题】I really enjoyed your speech, ______ there were some parts I didn't quite understand. [ ]
A.
because
B.
unless
C.
though
D.
after
【单选题】A wonderful idea suddenly occurred to me _______ I would turn to the reference book to finish my homework
A.
that
B.
if
C.
when
D.
which
【简答题】My first glimpse of the dining hall at Wellesley was (impress) .
【单选题】听力原文：W: I first read Ulysses when I was 16, but I didn't understand much of it. M: No wonder. It's one of the most complex novels in the English language. Q: Why isn't the man surprised at the woman's...
A.
Because she is so young.
B.
Because the man didn't understand it either.
C.
Because she doesn't have a good knowledge of English.
D.
Because the novel is too difficult to understand.
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