P是△ABC所在平面外一点,平面a∥平面ABC,a交线段P A.P B.PC于A′.

题型:填空题

问题:

P是△ABC所在平面外一点,平面a平面ABC,a交线段PA.PB.PC于A′.B′.C′,若PA′:AA′=2:3,则△A′B′C′与△ABC的面积比等于______.

考点:组合体的表面积与体积
题型:填空题

列式计算.

(1)0.6除30.18的商再加上17.2,和是多少?

(2)50.01与2.5的差,乘2.8的积是多少?

题型:填空题
 阅读下面短文,从短文后所给各题的四个选项(A、B、C和D)中,选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。
To his parents’ disappointment, Andy was born with a disability. The two sides of his brain were not joined  21  to each other. The right side of his body could not   22   with the left. At age three, it was  23  for him to walk, speak or play. He could only 24 a few words and walk slowly  25  someone held each of his hands.
Then came the 26  struggle. He attended an all-day health center  27  he was enrolled for every type of treatment imaginable. He struggled, sometimes  28  , to get stronger. Andy hated   29 when his parents would leave him there in the mornings.   30  , they believed that he would grow up to live a normal and healthy life. They believed it for themselves and for Andy.
It  31  . Today Andy is a successful 13-year-old high school student. His progress has been nothing short of extraordinary. He receives special help with a few things, but  32 his friends in all the activities he loves. Andy has  33 enormous difficulties to move from adversity(困境) to  34 .
Ask yourself, "What are the seeds of strength    35  in my struggles today? If I get up when I fall, what will that make possible tomorrow?"
"Overnight success" is the    36  of years of determination and continued learning. Victory is possible for    37  who decide it is their   38  . They’ll find the path    39___ their dream. However, they will accept hard times as the adversity that will foster their strength, growth and skills to attract the victory they    40  .
小题1:
A.commonlyB.normallyC.particularlyD.correctly
小题2:
A.talkB.catch upC.communicateD.put up
小题3:
A.easyB.impossibleC.difficultD.slow
小题4:
A.sayB.tellC.speakD.repeat
小题5:
A.whileB.asC.if D.because
小题6:
A.difficultyB.bitterC.pressure D.struggle
小题7:
A.whereB.thatC.whichD.when
小题8:
A.in danger B.in tearsC.in troubleD.in advance
小题9:
A.thatB.it C.the timeD.them
小题10:
A.Therefore B.FurthermoreC.HoweverD.Besides
小题11:
A.paid offB.took offC.called offD.set off
小题12:
A.joinsB.attendsC.takes part in D.participates in
小题13:
A.managedB.overcomeC.takenD.had
小题14:
A.confidenceB.powerC.endD.victory
小题15:
A.foundB.putC.hiddenD.grown
小题16:
A.resultB.reasonC.causeD.effect
小题17:
A.them B.thoseC.theseD.such
小题18:
A.measureB.dutyC.attemptD.purpose
小题19:
A.toB.ofC.atD.towards
小题20:
A.lookB.searchC.seekD.hunt
题型:填空题

从理论上讲,资产净值应与股价保持一定比例,即资产净值增加,股价上涨;资产净值减少,股价下跌。( )

题型:填空题

关于妊娠期外阴、 * * 的改变,下列哪项不正确()

A.外阴部充血皮肤增厚

B. * * 脱落细胞增加,分泌物增多,呈白色糊状

C. * * pH值降低,有利于致病菌生长而易感染

D. * * 黏膜充血水肿呈紫蓝色,皱襞增多,伸展性增加

E.大、小阴唇色素沉着,大阴唇内血管增多及结缔组织变松软

题型:填空题

行政执行的最后环节是( )

A.行政控制

B.行政监督

C.工作总结

D.行政决策

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