问题
判断题
为了扩大电流表的量程，可以在电流表上串联一个电阻。
答案
参考答案：错
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为了扩大电流表的量程，可以在电流表上串联一个电阻。
参考答案：错
| 选择句子，补全对话，其中有两项是多余的。 | |
| A: We have to meet the others at 7:30 at the botanical garden (植物园), don't we? B: 1 A: Do you know how to get there? B: 2 It will take us about three hours to get there by train. A: 3 B: It's an area that lots of different plants are protected. A: 4 B: I'm not really sure. I know there are many different kinds of trees and flowers and I'm going to take my camera with me. A: That's a good idea. What clothes are you going to wear? B: Well, if it's wet, I will wear my strong shoes and take an umbrella with me. A: 5 I think we will enjoy ourselves.
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