问题
单项选择题 B型题
溶液片中可以作为润滑剂的是（）
A.阿拉伯胶浆
B.微晶纤维素
C.微粉硅胶
D.PEG-6000
E.硬脂酸镁
答案
参考答案：D
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溶液片中可以作为润滑剂的是（）
A.阿拉伯胶浆
B.微晶纤维素
C.微粉硅胶
D.PEG-6000
E.硬脂酸镁
参考答案：D
| 选择合适的句子完成对话。（多一项） | |
Sandy: 1._____? Amy: It was about ten o’clock in the evening. Sandy: 2._____? Amy: There was a heavy storm with thunder and lighting. Sandy: Was anyone hurt? Amy: 3._____. Sandy: 4._____? Amy: Someone called the police and the firemen put it out at last. Sandy: 5._____? Amy: The firemen put out the fire soon. It didn’t last long. |