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【单选题】
在一定温度下,由一定成分的液相合金,同时结晶出成分一定的两个固 相的过程称为A.
共析转变
B.
共晶转变
C.
转变
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反馈参考答案：
举一反三
【单选题】丹参酮的体内分布说法正确的是
A.
体内分布广泛，可以透过血脑屏障
B.
主要分布在肝，心脏分布较少
C.
体内停留时间短，主要从尿中排泄
D.
口服吸收较快， t1/2 较长
E.
心脏分布较多
【单选题】—I think you have too much luggage ,don’t you? —Yes. But it’s not easy to decide what to behind.
A.
． take
B.
． turn
C.
． keep
D.
． leave
【单选题】--_____ did you ________the summer vacation? -- It was terrible . I have too much homework to do .
A.
What; like
B.
How , like
C.
How; think of
D.
What ; think
【简答题】发送电子邮件时需要建立连接,发送完后将连接断开,这种发送方式是由哪一层决定的
【单选题】听力原文：W: You didn't have too much trouble fixing your car engine, did you? M: It only took me most of the day. Q: What does the man mean? (15)
A.
He had no time fixing his car engine.
B.
Fixing his car engine took him a lot of time.
C.
He only fixed part of his car engine.
D.
His car engine turned out well.
【单选题】You must have been there, ____________?
A.
have you
B.
did you
C.
haven’t you
D.
didn’t you
【单选题】Woman: Did you have much trouble with the exam? Man: Not really. Question: How was the man doing with the exam?
A.
He didn't have much trouble.
B.
He is sure that he did perfectly in the exam.
C.
He did very badly in the exam.
D.
He didn't take the exam.
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