问题
单项选择题
两带轮传动，其传动比i＝0.2，则传动属于()传动
A、减速
B、增速
C、等速
答案
参考答案：B
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两带轮传动，其传动比i＝0.2，则传动属于()传动
A、减速
B、增速
C、等速
参考答案：B
| 从方框中选择句子，使对话内容完整 。 | |
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| A: Hello. ____1____ B: I've a bad cough and a headache. I don't feel like eating anything. A: Do you have any fever? B: Yes. I felt very cold this morning, but now I'm feeling a little better. A: ____2____ B: About five days. A: Let me examine you. Any pain here? ____3____ B: Yes,but only a little. A: Let me hear your lungs. Please lie down on the couch and I'll examine your belly. B: ____4____ A: Nothing serious. You just have a flu. Take the medicine three times a day, and get some rest. You should up and around in a couple of days. ____5____ B: Thank you. |