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【单选题】
钢包吹氩搅拌钢水的目的主要是( )。A.
提高钢水温度
B.
改善冶金反应的热力学条件
C.
改善冶金反应的动力学条件
D.
全不是
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反馈参考答案：
举一反三
【简答题】电路的组成有()()()几部分。
【单选题】听力原文：W: Did you hear that Greg got a job in his uncle's law office? M: Yes, I did. But it's who you know that counts. Q: What does the man mean? (16)
A.
He knows someone who can get the woman a job.
B.
Greg and his uncle don't like their jobs.
C.
Greg only got the job because of his uncle.
D.
He doesn't know the woman's uncle.
【简答题】选出与图片相符的单词。 ( ) 1. A. a businessman B. a doctor ( ) 2. A. a teacher B. a doctor ( ) 3. A. a teacher B. a student ( ) 4. A. a businessman B. a worker
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