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【单选题】
慢性支气管最主要的发病因素是A.
长期吸烟
B.
感染因素
C.
理化因素
D.
气候因素
E.
过敏因素
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【单选题】— What are your students doing now? — They football. Let's go and have a look.
A.
are playing
B.
will play
C.
is playing
D.
were playing
【单选题】一辆汽车的易熔线烧断了,在查出原因后,下列选项哪一项是最正确的修理步骤?
A.
用一根串联熔丝更换。
B.
安装一个线规尺寸比电路导线大 4 倍的导体。
C.
安装一个线规尺寸为电路导线 1/4 的导体。
D.
安装一个线规尺寸与电路导线相等的导体。
【简答题】阅读理解。 Kate and Peter like sports. In summer they swim and in winter they ski (滑雪). They are planning (计划) a ski trip for this weekend, but they don't know what the weather will be like. It's 7:30 now,...
【简答题】"Congratulations, Mr. Cooper. It's a girl." Fatherhood is going to have a different meaning and ( 1 ) _____ a different response from every man who hears these words. Some feel ( 2 ) _____ when they r...
【单选题】What will the club members do with the litter?
A.
They will place it in boxes.
B.
They will place it in aluminium cans.
C.
They will place it into trash bags.
D.
They will place it into garbage cans.
【简答题】succeed advanced common reflect reason smart deadline besides nearly intelt 1. George is a very boy; he is one of the best students in his class. 2. You have to work hard if you want to ...
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