正常菌群对构成生态平衡起重要作用,下面描述其生理学意义中错误的是A.生物拮抗作用 B

题型:单项选择题

问题:

正常菌群对构成生态平衡起重要作用,下面描述其生理学意义中错误的是

A.生物拮抗作用

B.营养作用

C.免疫作用

D.维持肠道的渗透压

E.抗衰老作用

考点:临床医学检验技术(主管技师)临床检验专业知识中级临床医学检验主管技师专业知识1
题型:单项选择题
I am waiting for the bus when I meet the old woman. “You look       . Come and sit here,” she says. “      are you going?”
“I don’t know. I just want to catch a       and see what it will be like at the end.”
“I’m afraid you’ll see      there. Why don’t you enjoy the beautiful sights (风景)on the way? ”
“How can I do that when my heart(心) is      ?” I asks sadly. My best friend left(离开)me.
The woman seems to (似乎)understand my feeling. “Don’t cry, little girl. I had the same experience(经历) as you before . Thirty-five     ago, my husband left our three children and me. I was very sad. I wanted to kill (杀死)myself and the children, so I took        to the sea.        ,they seemed to know what would happen, so they       loudly. Their cry suddenly woke me up (叫醒) . How could I        my hope to live for one of life’s problems? After that, I worked hard to__  ___the children. Now they all live        and one of them has his own family. ”
Then the woman gives me a      , “We should never wait for the door to          before us. We should find the key to the      or try to find another way .”
The bus comes and I get on it with a smile.
小题1:
A.tiredB.good C.happyD.well
小题2:
A.WhatB.HowC.Where D.When
小题3:
A.trainB.busC.boatD.plane
小题4:
A.nothingB.everythingC.somethingD.anything
小题5:
A.smilingB.breakingC.singingD.dancing
小题6:
A.daysB.weeksC.monthsD.years
小题7:
A.herB.themC.himD.it
小题8:
A.SoB.Or C.AndD.However
小题9:
A.laughedB.talkedC.spokeD.cried
小题10:
A.make B.stopC.letD.take
小题11:
A.careB.look after C.play withD.look for
小题12:
A.happilyB.sadlyC.badlyD.happy
小题13:
A.cryB.shoutC.hitD.smile
小题14:
A.openB.closeC.lockD.mend
小题15:
A.classroomB.officeC.doorD.shop
题型:单项选择题

光发射机的作用是什么?光接收机的作用是什么?

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马口铁,塑料,软管的印刷属于()

A.凸版印刷

B.凹版印刷

C.平版印刷

D.特种印刷

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A、卡入式

B、嵌入式

C、平铺式

D、固定式

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家用空调器温度设定值每提高1℃,大约可节省()的电能。

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