问题 解答题

2□0×8,要使积的末尾有3个0,□里应填______.203×□,要使积的中间是0,□里可以填______.

答案

(1)250×8=2000;

所以2□0×8,要使积的末尾有3个0,□里应填5.

(2)203×1=203,

203×2=406,

203×3=609;

所以203×□,要使积的中间是0,□里可以填1或2或3.

故答案为:5,1或2或3.

完形填空
Mr. Jackson works in a college. He likes reading and often   1    some books from the library. He keeps   2    to the radio every morning and reading   3    after dinner. So he knows much and teaches well. He is also good   4   his students. His students   5   him very much. Mike, Mr. Jackson's little son is only nine. He   6   likes reading books. And he often asks his father some questions. Mr. Jackson always thinks his son is too   7   to understand him, so he chooses(选择)  8   ones to answer. Of course the boy is not satisfied (对……满意) with them.
One day Mike read something about the electric lights and was   9   them. When his father told him to do housework, he went on(继续)thinking  10   it. He asked him   11   questions, and his father answered all. Then his father said proudly(自豪地),“Fathers always know   12   than sons!” The boy thought for a while and said, “  13   .” “Oh, why?” Mike didn't answer but asked. “  14    invented(发明) the electric lights?” “Thomas Edison.” answered Mr. Jackson “Why didn't his father invent them then?” Mike asked again.
Looking at his son, Mr. Jackson didn't know   15   to answer.
小题1:
A.borrowsB.readsC.sellsD.finds
小题2:
A.watchingB.listeningC.readingD.touching
小题3:
A.messagesB.lettersC.storiesD.newspapers
小题4:
A.toB.withC.forD.at
小题5:
A.likeB.dislikeC.hateD.likes
小题6:
A.neverB.evenC.stillD.also
小题7:
A.cleverB.brightC.oldD.young
小题8:
A.difficultB.wrongC.easyD.right
小题9:
A.afraid ofB.tired ofC.interested inD.worried about
小题10:
A.toB.atC.aboutD.from
小题11:
A.a littleB.a fewC.littleD.few
小题12:
A.manyB.muchC.moreD.most
小题13:
A.I think so.B.I don’t think so.C.I hope so.D.I hope not.
小题14:
A.WhichB.WhoC.WhenD.Why
小题15:
A.whatB.whenC.whichD.where
单项选择题