已知电流表的内阻Rg=120Ω，满偏电流Ig=3mA，要把它改装成量程6V的电压 发布时间：2017-05-21 14:07 │ 来源：www.tikuol.com 题型：计算题 问题： 已知电流表的内阻Rg=120Ω，满偏电流Ig=3mA，要把它改装成量程6V的电压表，应串联多大的电阻？要把它改装成量程为3A的电流表，应并联多大的电阻？
题型：计算题 完形填空。阅读短文, 并从四个选项中, 选择正确的答案。 My father 1 a good friend in the factory (工厂). He is sixty. He is an old man. All of the childrenlike him. We call 2 Uncle Sam. He 3 from England. He 4 in Sichuan. He can't 5 Chinese. We teach (教) him Chinese 6 he 7 us English. He 8 work 9 Sunday. He 10 making things. And he likes watching TV with his children at night.( )1. A. have ( )2. A. he ( )3. A. come ( )4. A. live ( )5. A. speak ( )6. A. or ( )7. A. teach ( )8. A. do ( )9. A. in ( )10. A. likes B. haves B. they B. comes B. living B. tell B. but B. teachs B. don't B. on B. like C. has C. him C. goes C. lives C. say C. and C. teaches C. does C. for C. to like D. is D. his D. to come D. to live D. talk D. until D. teaching D. doesn't D. of D. liking 查看答案
题型：计算题 患者女，60岁。近2个月来头痛、乏力、早醒、坐立不安。常担心家人会出事，怀疑自己得了不治之症，给家庭带来麻烦，悲观失望。最可能的诊断是（）A.神经衰弱 B.焦虑症 C.疑病症 D.抑郁症 E.癔症 查看答案