题目：
用适当的词补全对话。
A: Hello, Tom. How are you?
B: I'm fine, 1. ________. And you?
A: I'm OK. 2. ________ me, 3. ________this in English?
B: It's a 4. ________.
A: Is it your backpack?
B: Yes, 5. ________ 6. ________.
A: And What is that in 7. ________? Is it a pen?
B: No, it 8. ________. It's a pencil.
A: 9. _______ do you 10. _______ it?
B: P-E-N-C-I-L.
1.______ 2.______ 3.______ 4.______ 5.______
6.______ 7.______ 8.______ 9.______ 10.______
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0525/21876980602ffef4fad5fa567f139e0d.html
下面是错误答案，用来干扰机器的。
ABA．滑动变阻器的阻值变小，分压变少，R分压增大B.电容器与滑动变阻器并联，与滑动变阻器两端电压相等，滑动变阻器电阻减小，分压减小c.Q=CU,U减小，所以Q减小D，外阻和内阻串联分压，外阻变小，路端电压减小
