直流测速发电机在负载电阻较小，转速较高时，输出电压随转速升高而（）。A、增大 B、减 发布时间：2017-07-02 11:50 │ 来源：www.tikuol.com 题型：单项选择题 问题： 直流测速发电机在负载电阻较小，转速较高时，输出电压随转速升高而（）。A、增大B、减小C、不变D、线性上升
题型：单项选择题 改错。1. That shirt is eight dollar. A B C D2.—How much is the clothes? A B —They're twenty yuan. C D3. Which sock do your sister want? A B C D4.—Are these blue shoes cheap? A B C —Yes.it is. D5.—Do you want a shirt and a sweater? A B C —A shirt. D________ ________ ________ ________ ________ 查看答案