椭园公式为()。A.(x2/a2)+(y2/b2)=1 B.(x2/a2)-(-y2

题型:单项选择题

问题:

椭园公式为()。

A.(x2/a2)+(y2/b2)=1

B.(x2/a2)-(-y2/b2)=1

C.(y2/a2)+(x2/b2)=1

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题型:单项选择题
完形填空(共20小题;每小题1分,满分20分)
阅读下面短文, 掌握其大意, 然后从36~55各题所给的A、B、C、D四个选项中,选出最佳选项。
You Did More Than Carry My Books
  Mark was walking home from school one day when he noticed a boy ahead of him had dropped all of the books he was    , along with a baseball bat and several other things. Mark knelt down and helped the boy pick up these articles. They _____ be going the same way, so Mark helped to carry some of them for him. As they walked, Mark    the boy's name was Bill, that he    computer games, baseball and history, that he was having a lot of    with his other subjects and that he had just broken    with his girl friend.
  They arrived at Bill's home first and Mark was    in for a Coke and to watch some television. The afternoon passed   with a few laughs and some shared small talk, and then Mark went home. They   to see each other around school, had lunch together once or twice, and then both ended up from the same high school. Just three weeks before   , Bill asked Mark if they      talk. Bill    him of the day years ago when they had first met. “Do you ever __ why I was carrying so many things home that day?” asked Bill. “You see, I cleaned out my locker(储物柜)    I didn't want to leave a mess (脏乱 )for anyone else. I    planned to leave this school and I was going home to    my things. But after we spent some time together    and laughing, I realized that    I had done that, I would have    a new friend and missed all the fun we would have together. So you see, Mark, when you picked up my books that day, you did a lot more. You     my life.”
小题1:
A.catchingB.gettingC.makingD.carrying
小题2:
A.happened to B.led to C.managed toD.refused to
小题3:
A.discoveredB.realizedC.saidD.decided
小题4:
A.playedB.lovedC.triedD.made
小题5:
A.questionsB.ideasC.difficulty D.doubt
小题6:
A.upB.outC.offD.away
小题7:
A.calledB.helpedC.invitedD.allowed
小题8:
A.peacefullyB.willinglyC.freelyD.pleasantly
小题9:
A.continuedB.agreedC.forcedD.offered
小题10:
A.graduationB.movementC.separationD.vacation
小题11:
A.wouldB.shouldC.couldD.must
小题12:
A.demandedB.remindedC.removedD.asked
小题13:
A.wonderB.wantC.wanderD.wish
小题14:
A.even ifB.because of C.becauseD.as if
小题15:
A.wasB.haveC.amD.had
小题16:
A.findB.pickC.packD.hold
小题17:
A.talkingB.playingC.readingD.watching
小题18:
A.beforeB.ifC.whileD.as
小题19:
A.forgottenB.passedC.leftD.lost
小题20:
A.helpedB.recoveredC.improvedD.changed
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Туристы _______ дорогу , по которой никто до них не ходил .

A.выбрали

B.набрали

C.собрали

题型:单项选择题

我国目前的咨询收费方面的标准不包括( )。

A.《关于建设项目前期工作咨询收费暂行规定》
B.《工程建设监理收费标准》
C.《工程勘察收费标准》
D.《工程建设施工收费标准》

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患者,男性,70岁,有长期便秘史,突然左下腹绞痛伴明显腹胀,未呕吐,未排气,查体可见全腹高度膨胀,左下腹可见巨大肠型,有轻度压痛、反跳痛,肠鸣音亢进。

对于该患者,最主要的处理方法是

A.禁食
B.胃肠减压
C.补液
D.应用抗生素
E.及时手术

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不适用于浸渍法而可采用渗漉法提取的药材是

A.黏性的

B.无组织结构的

C.新鲜的

D.易膨胀的

E.有效成分含量较低的

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