问题
单项选择题
不允许进行焊补的镀锌钢管、不锈钢管的尺寸是（）
A.Φ100以下
B.Φ50以下
C.Φ32以下
D.Φ25以下
答案
参考答案：C
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不允许进行焊补的镀锌钢管、不锈钢管的尺寸是（）
A.Φ100以下
B.Φ50以下
C.Φ32以下
D.Φ25以下
参考答案：C
| 短文填空。 | |
He 3_____ math at eight o'clock and history at nine. Math is 4_____ favorite subject. He likes it, 5_____ it's very interesting. But he 6_____ like history, he 7_____ it's boring. Mrs. Jones is his math teacher. 8_____ is very nice. He eats lunch 9_____ school. He has three 10_____ on Monday, Tuesday and Thursday afternoon. And he has two classes on Wednesday and Friday afternoon. |