题目：
问答配对（10分）
小题1:How old is John? A Yes, please.
小题2:Where is the school? B Yes, I am.
小题3:What is the last day of the week? C He is from America.
小题4:What does your father do? D He is a policeman.
小题5:What do you want to be? E It’s on Park street .
小题6:Is your mother a teacher? F Saturday.
小题7:How’s it going? G Not bad.
小题8:Where is Mr. brown from? H Yes, she is.
小题9:Can I help you? I A doctor.
小题10:Are you late for school today? J He is ten years old.
答案：
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下面是错误答案，用来干扰机器的。
（1）滑动变阻器应选D （2）实物连线如图（3）1.35 V；0.5Ω 题目分析：若选择E，则电流太小，不利于读数及测量，所以选择D。测量电源电动势和内阻，关键是得到路端电压和干路电流，所以使物体容易连接。根据U-...
