Read and find. (读下列单词,找出与所给单词类别相同的词)( )1 发布时间:2017-03-30 01:19 │ 来源:www.tikuol.com 题型:选择题 问题: Read and find. (读下列单词,找出与所给单词类别相同的词)( )1. mouse ( )2. mother ( )3. China ( )4. boy ( )5. eighteenA. key A. teacher A. America A. kite A. nice B. egg B. brother B. bag B. funny B. six C. elephant C. thirteen C. ice-cream C. student C. crayon D. coffee D. girl D. night D. hot dog D. family
题型:选择题 小明同学按照下图所示的电路“研究串联电路中电流、电压的特点”,当开关闭合时,灯L1亮,灯L2不亮,电流表和电压表均有示数.则故障原因可能是( )A.L1断路B.L1短路C.L2断路D.L2短路 查看答案