问题
单项选择题
控制锅水溶解固形物含量的主要作用是()
A、防止结垢
B、防止腐蚀
C、除去氯根
D、防止蒸汽品质恶化
答案
参考答案:D
控制锅水溶解固形物含量的主要作用是()
A、防止结垢
B、防止腐蚀
C、除去氯根
D、防止蒸汽品质恶化
参考答案:D
完形填空。 | ||||
Football is, I do think, the most favorite game in England. It is one of the important 1 to see. Rich and poor, young and old, one can see them. To a stranger, one of the most surprising things about football in England is the great 2 of the game which even the smallest boy seems to have. He can 3 you the names of the players in most of the important teams; he has pictures of them and knows the 4 of Large numbers of matches. He will tell you who he hopes will 5 such a match, and his ideas about football are usually as good as those of men three or four times his age. | ||||
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