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【单选题】
心室颤动患者的脉搏特征是A.
．快而规则
B.
．慢而规则
C.
．摸不到
D.
．慢而不规则
E.
．快而不规则
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参考解析：
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举一反三
【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.
在某些蛋白质中,α螺旋是二级结构中的一种类型
D.
疏水作用使α螺旋稳定
【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】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】听力原文：W: I can't understand why Linda didn't call me. M: She did. Didn't I tell you? She said she couldn't come for dinner, because she lost her train to come back. Q: What did the man say about Linda?...
A.
Linda wouldn't call the woman again.
B.
Linda didn't call.
C.
Linda would call next time.
D.
Linda couldn't come for dinner because she lost her train.
【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】答复下级机关的请示事项使用 。
【单选题】I didn’t understand the ______question, so there was a ______expression on his face. [ ]
A.
puzzling, puzzled
B.
puzzling, puzzling
C.
puzzled, puzzled
D.
puzzled , puzzling
【简答题】Last Christmas was a very difficult time for me. My family and all of my close friends were back home in Florida, and I was all alone in a rather cold California. I was working too many hours and beca...
【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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