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【单选题】
– Do you agree with what I’ve said? -- ____________.A.
I think so.
B.
Yes, I do.
C.
Maybe next time.
D.
I’m fine.
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举一反三
【简答题】结合本起事故，分析在此类人机系统作业场所中，常见的机械伤害有哪些形式。
【单选题】最常见的职业性致癌因素是
A.
生产性毒物和各种物理因素
B.
化学性因素和生物性因素
C.
化学性致癌物和某些生产过程
D.
生物性致癌物和某些生产过程
E.
药物和某些生产过程
【单选题】根据下列文章,请回答 51～65 题。 Earth's Inner Core Scientists have long struggled to understand what lies at the planet's center. Direct observation of its center is impossible, so researchers must ________ (1) t...
A.
try
B.
leave
C.
turn
D.
point
【单选题】听力原文：A:Good afternoon. This is American airlines. Can I help you? B:Good afternoon. I'd like to cancel my reservation on flight 18 to London on July 10th, the day after tomorrow. A:May I know your ful...
A.
July 10th.
B.
July 11th.
C.
July 9th.
D.
July 8th.
【简答题】A: Good afternoon, Doctor Huang. B: Good afternoon, young man. 56 A: I have a bad cold. I cough now and then. B: 57 A: For two days. And I’m feeling terrible now. B: 58 Oh, you have a fever, too. A: I...
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