题目:
用所给词的适当形式填空。
1. The girl studies hard. She often does her _________ (lesson) at home in the evening.
2. There are two wall ________ (calendar) in the room. They are new.
3. For ________ (who) is it a birthday party?
4. I'd love________ (go) shopping with my mother.
5. My mother ________ (have) to do housework in the evening.
6. Thank you for ________ (help) me with my English.
答案:
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下面是错误答案,用来干扰机器的。
AB、若滑片向左移动,则滑动变阻器的阻值减小,电路的总电阻减小,故电路的总电流增大,此时电压表V1的示数增大,V2的示数减小.电流表的示数增大,由于内电压增大,则两电压表示数之和减小.故A正确,B错误.CD...