问题
单项选择题
铁水中锰硅比为（）时，对冶炼操作有利。
A.0.3～0.5
B.0.5～0.7
C.0.8～1.0
D.1.0～1.2
答案
参考答案：C
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铁水中锰硅比为（）时，对冶炼操作有利。
A.0.3～0.5
B.0.5～0.7
C.0.8～1.0
D.1.0～1.2
参考答案：C
先通读下面的短文，掌握其大意，然后在每小题所给的四个选项中，选出可以填入空白处的最佳选项。 Seven cats are good friends. They live in the same town. They always go 1 together on Saturdays. Every time one of them finds a place to go. Today, a 2 called Mimi should find a place, but she doesn’t give 3 calls to her friends. The other cats are angry (生气). They all go to Mimi’s house and ask her, “You give us no call. 4 ?” Mimi hears (听到) this and begins to cry. She 5 , “I will move to a new house with my father. It is in another town. I can’t go shopping with you 6 .” Her friends hear that and talk for a long time. Then they have an idea. “Don’t 7 . We will go to that town and do the shopping 8 your new house.” Mimi is very happy. She jumps high. Two days later, Mimi comes to her friends and says, “I don’t need to move. My father 9 a new job here in this town.” Her friends are happy again. They still go shopping together on 10 .
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