问题
单项选择题
使用油压式千斤顶时，任何人不得站在安全栓的（）面。
A.左
B.右
C.前
D.后
答案
参考答案：C
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使用油压式千斤顶时，任何人不得站在安全栓的（）面。
A.左
B.右
C.前
D.后
参考答案：C
| 交际用语。 | |
| A: 1______, boy? B: I think I have a cold. I feel terrible. A: 2______ B: No, my body temperature (温度) is all right. But I have a headache and a sore throat. A: Open your mouth and let me see. Oh, 3______ Please take the medicine on time, you'll be better soon. B: But I feel so bad, doctor. 4______ A: Don't worry. 5______ They are good for your health. | |
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