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【判断题】
制冷剂灌注完后，冷冻机油从压缩机加油螺塞孔注入。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】--Beg your pardon, please.I didn't quite catch what you said.---Oh, I ___ to myself.
A.
had talked
B.
talking
C.
talked
D.
was talking
【单选题】有关支气管哮喘的描述中,哪项是错误的:
A.
属I型超敏反应性疾病
B.
有多种炎细胞和炎症介质参与
C.
主要效应细胞是肥大细胞和嗜酸性粒细胞
D.
哮喘发生的主要原因是支气管平滑肌痉挛
E.
支气管壁主要病理变化是黏膜水肿,黏液分泌亢进,有多量嗜碱性粒细胞浸润
【单选题】_____, his suggestion is not useful, though it sounds very interesting. [ ]
A.
Generally speaking
B.
To be honest
【单选题】听力原文：You know what he means, Mary? (A) He's so selfish. (B) Sorry, I didn't quite catch that. (C) Are you kidding? (14)
A.
B.
C.
【简答题】Sorry, madam, I didn't quite what you said
【单选题】Though it sounds a bit too dear ( 昂贵 ), it is worth ______. A. being bought B. buying C. to buy D. buying it
A.
being bought
B.
buying
C.
to buy
D.
buying it
【单选题】—Beg your pardon, please. I didn't quite catch what you said. —Oh, I just______to myself.
A.
talked
B.
am talking
C.
was talking
D.
had teen talked
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