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【单选题】
C02焊时,焊丝直径为1.6mm时,当焊接电流在( )以下时,为粗滴非轴向过渡,飞溅大,焊接过程不稳定,所以很少应用。。A.
400A
B.
600A
C.
500A
D.
800A
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【单选题】Characters in fairy tales such as snow white, sleeping beauty, etc., are typically _______characters.
A.
vulnerable
B.
flat
C.
pretty
D.
simple
【单选题】Married people live 'happily ever after' in fairy tales, but they do so less and less often in real life. I, like many of my friends, got married, divorced, and remarried. I suppose, to some people, I...
A.
Her former husband went out to watch football games.
B.
She started to play racquetball at a health club.
C.
They spent too much time together and got bored with each other.
D.
They spent so little time together that they could not talk to each other.
【单选题】习近平同志在第十三届全国人大第次会议上指出，中国人民是具有伟大、伟大、伟大的、伟大的的人民，这是我们的骄傲。①梦想精神 ②创造精神 ③团结精神 ④奋斗精神
A.
①②④③
B.
①④③②
C.
②④③①
D.
③①④②
【单选题】A theme frequently found in fairy tales is ________.
A.
concern over life troubles
B.
problems of sisters and brothers
C.
the struggle between good and evil
D.
why certain features of nature come to be
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