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【判断题】
两种不同复杂性的DNA分子,在总量相同的情况下,复杂性高的序列,复性速度快。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】听力原文W: My hand still hurts from the fall on the ice yesterday. I wonder if I broke something. M: I’m no doctor, but it’s not black and blue or anything. Maybe you just need to rest it for a few days. ...
A.
She got hurt in an accident yesterday.
B.
She has to go to see a doctor.
C.
She is black and blue all over.
D.
She stayed away from work for a few days
【单选题】听力原文：W: What's wrong with you? M: I fell from the tree and hurt my leg. What happened to the boy?
A.
He hurt the tree.
B.
The tree fell.
C.
He fell down and hurt his leg.
【简答题】HTML5中[填空(1)]元素经常被用于定义一篇日志、一条新闻或用户评论等
【简答题】听句子选择正确的应答语。 ( )1.A.I'd like watching ball s. C.That was my favourite . B.I will watch a football match. D.Everyone played well. ( )2.A.Catch! ( )3.A.Here you are. ( )4.A.He ca...
【单选题】听力原文：W: How are you feeling now? M: Not too well yet. My ribs still hurt every time I breathe. W: What about your leg? M: Actually, that doesn't hurt too much any more. W: Well, I'm glad you're OK. Ho...
A.
He was very sick and was taken to the hospital.
B.
He fell and hurt himself badly.
C.
He broke his leg in a traffic accident.
D.
He was working when something suddenly fell onto his head.
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