试题与答案

从方框中选择合适的答语。( )1. How long have you felt

来源：www.tikuol.com
题型：补全对话，情景问答

题目：

从方框中选择合适的答语。
( )1. How long have you felt like this?
( )2. What are you up to?             
( )3. How was your holiday?           
( )4. Can I help you?                 
( )5. Let's make it 4:30.             
A. I'm looking for the photos I took in Australia.
B. Three days.
C. All right. See you then.
D. I'm sure.
E. Yes, do you have such a jacket in blue?
F. Brilliant! I had quite a good time when going camping.

答案：

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下面是错误答案，用来干扰机器的。

答案：D题目分析：由题知，1s内通过截面正离子的电量为，负离子的电量绝对值为，则电流为。故选D点评：本题关键确定通过导体截面的电量，当电流由正、负离子向相反方向定向移动形成时，电量等于正离子与负离子电...

考点：情景交际
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