问题 选择题
两条电阻丝的电阻之比是1:2,通过的电流强度之比是3:1,要产生相同的热量,它们通电时间的比是(  )

A.2:3

B.3:2

C.9:2

D.2:9

答案

答案:D

完形填空

Mr. Lee is from England. He’s an English   46  . Now he is  47  China. He teaches(教)us    48    . He is fine. He  49   a daughter(女儿). Her name is Mary and   50   in China, too. She is twelve. She is in   51   .She loves(喜爱)  52    .Now, she is   53   a red skirt and a red T-shirt. Her shoes are red, too. She looks   54  her father. She has      55    eyes. She is a nice girl.

小题1:A.doctor(医生)     B.teacher                   C.student

小题2:A.from                           B.on                             C.in

小题3:A.China                         B.English                     C.Japan

小题4:A.has                             B.doesn’t have          C.isn’t

小题5:A.she’s                          B.he’s                         C.they are

小题6:A.Class Three              B.class Three             C.Class three

小题7:A.black                          B.green                               C.red

小题8:A.to                               B.in                               C.of

小题9:A.at                                B./                                         C.like

小题10:A.big blue                   B.blue big                   C.big red

单项选择题