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【单选题】
关于室内空气环境污染描述错误的是A.
室内空气受大气污染的影响
B.
室内装修材料可以造成室内空气污染
C.
燃料燃烧可以造成室内空气污染
D.
人的呼吸过程也是室内污染的来源
E.
室内污染较大气污染轻
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【简答题】Dense fog
【单选题】In dense fog a vessel without operational radar may not be justified ________ at all but should anchor if it is safe and practicable for her to do so．
A.
to be underway
B.
on under way condition
C.
to stop engine
D.
in being under way
【单选题】W: Excuse me. I just received my telephone bill, and there ’ s a problem with it M: May I see your bill, pl ease? W: Certainly. There it is. On J uly lst, I really don t know anybody in Finland M: OK,...
A.
$42
B.
$24.10
C.
$66.10
D.
$ 90.20
【简答题】蛔虫感染多见于成年犬猫。 ____
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