问题
单项选择题
（）指令是间断端面加工循环指令，主要用于端面加工。
A.G72
B.G73
C.G74
D.G75
答案
参考答案：D
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（）指令是间断端面加工循环指令，主要用于端面加工。
A.G72
B.G73
C.G74
D.G75
参考答案：D
| 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. |