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【判断题】
实心焊丝H08Mn2SiA中08表示焊丝的含碳量为0.8%。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】根据我国《民用航空法》规定,在公共航空运输中,以下属于民用航空可以接受运输的是
A.
拒绝接受安全检查的旅客
B.
携带禁用品的旅客
C.
经安全检查的行李
D.
携带危险品的旅客
【单选题】More than one in ten people who are regularly exposed to organophosphate pesticides(有机磷酸脂农药) will suffer unrecoverable physical and mental damage, a team of psychiatrists warns. The investigators say ...
A.
Whether exposure to organophosphate will do any harm to man
B.
Whether chronic exposure to organophosphate would lead to widespread illness
C.
Whether it is worthwhile to find out the number of people suffering from organophosphate poisoning
D.
Whether organophosphate is a good pesticide
【单选题】_____work for quite a long time, more than one worker _____short of money.
A.
Having lost their, was
B.
Having lost their, were
C.
Having been out of, was
D.
Being out of, were
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