喷涂是用______砂浆泵______将聚合物砂浆水泥喷涂于外墙的装饰抹灰。

题型:填空题

问题:

喷涂是用______砂浆泵______将聚合物砂浆水泥喷涂于外墙的装饰抹灰。

考点:抹灰工中级抹灰工中级
题型:填空题
A man who knows how to write a personal letter has a very powerful tool.A letter can be enjoyed, read and ____.It can set up a warm conversation between two people far apart(远离的);it can keep a ____with very little effort.
I will give___.A few years ago my older brother and I were not getting____.We had been close as____but had grown apart.Our meetings were not____; our conversation was filled with arguments and quarrels; and every effort to clear the air seemed to only ___our misunderstanding.Then he____a small island in the Caribbean and we___touch.One day he wrote me a letter.He described his island and its people, told me what he was doing, said how he felt, and encouraged me to____.Rereading the letter, I was____by its humor(幽默)and clever expressions.These were all qualities for which I had____respected my older brother but____he no longer had them.I had never known he could write so____.And with that one letter we became friends____.
It might never have occurred to____to write me if he had not been in a place where there were no___.For him, writing was a necessity.It also turned out to be the best way for us to get back in touch.Because we live in an age of____communication(通讯), people often____ that they don't always have to phone or email.They have a____.And that is to write.
小题1:
A.receivedB.rewrittenC.returnedD.reread
小题2:
A.recordB.promiseC.friendshipD.secret
小题3:
A.an exampleB.a lessonC.an experienceD.a talk
小题4:
A.throughB.togetherC.alongD.away
小题5:
A.brothersB.childrenC.fellows D.classmates
小题6:
A.normalB.necessaryC.pleasantD.possible
小题7:
A.deepenB.startC.expressD.settle
小题8:
A.touredB.stoppedC.reachedD.moved to
小题9:
A.lost B.kept inC.neededD.got in
小题10:
A.thinkB.writeC.enjoyD.read
小题11:
A.drivenB.beatenC.surprisedD.honored
小题12:
A.neverB.seldomC.sometimesD.once
小题13:
A.realizedB.judgedC.thoughtD.expected
小题14:
A.wellB.oftenC.muchD.soon
小题15:
A.laterB.anyhowC.tooD.again
小题16:
A.usB.anyoneC.someone D.my brother
小题17:
A.mail services B.transport servicesC.phonesD.relative
小题18:
A.poorB.easyC.popularD.busy
小题19:
A.believeB.decideC.argueD.forget
小题20:
A.habitB.choiceC.methodD.plan
题型:填空题

DNA热变性的特征是

A.碱基间的磷酸二酯键断裂

B.在260mm处的光吸收降低

C.对于一种均一DNA,其变性温度范围不变

D.融解温度因鸟嘌呤-胞嘧啶碱基对的含量而异

题型:填空题

大气压值不是固定不变的,离地面越高,大气压值越______,但其变化并不均匀.

题型:填空题

甲承包商与乙签定装修合同,合同约定由甲承包商在2006年12月31日前为乙的一套别墅装修好,乙于2007年1月1日向甲支付全部工程款。甲于2006年12月 10日提前完工,并交予乙。2007年1月1日乙并未按合同约定向甲支付工程款,甲与2007年2月15日向乙催收,乙答应甲2007年3月8日付款,3月8日甲并未收到乙的工程款。 2007年7月1日至8月1日之间,当地发生特大洪水,导致甲承包商不能行使请求权。2007年12月1日,甲承包商向法院提起诉讼,请求业主乙支付拖欠的工程款,2007年12月31日法院作出判决。

根据《合同法》规定,国际货物买卖合同和技术进出口合同争议的诉讼时效为( )。

A.1年

B.2年

C.3年

D.4年

题型:填空题

短期政府债券主要用于建设支出或弥补年度性财政赤字。( )

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