肾小管分泌H+的方式是通过（）。 A．H+-K+交换 B．Na+-K+交换 C．H+

发布时间：2017-07-09 13:12 │ 来源：www.tikuol.com

题型：单项选择题

问题：

肾小管分泌H⁺的方式是通过（）。

A．H⁺-K⁺交换

B．Na⁺-K⁺交换

C．H⁺-Na⁺交换

D．H⁺-交换

E．K⁺-交换

考点：临床执业助理医师临床执业助理医师

题型：单项选择题

某溶液中含有大量的Cl^一、Br^一、I^一，若向l L该混合溶液中通入一定量的Cl₂，溶液中Cl^-、Br^一、I^一的物质的量与通入Cl₂的体积（标准状况）的关系如下表所示，原溶液中Cl^一、Br^一、I^一的物质的量浓度之比为( )

A．5:15:4

B．5:12:4

C．15 : 30 : 8

D．条件不足，无法计算

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题型：单项选择题

完形填空

     Tim Becker and his neighbors are doing something to make their neighborhood a trouble-free area.
     When Tim Becker gets in his car to go shopping, he doesn't ___1___ drive to a store and back home.
He always looks ___2___ up and down the streets of his neighborhood. He looks for anything ___3___
such as strange cars, loud noises, ___4___ windows, or people gathering on street corners.
     Tim ___5___ to a neighborhood watch group in Stoneville, Indiana, USA. The neighborhood watch
group ___6___ on the third Wednesday of every month. That's ___7___ Tim gets together with about ten
of his neighbors to discuss community ___8___ .Members of the neighborhood watch group want to help
the police ___9___ their homes, streets, and families safe.
Tina Stedman, president of ___10___ neighborhood watch group, agrees with Tim. "People seem to think
that crime happens to other people but not to them. Well, it's never happened to me," she said, "but I don't
think anyone has the ___11___ to steal from other people or to make them feel ___12___ sitting in their
own homes."
     Alex, a member of the group, said that all the neighbors ___13___ out for one another, "We watch each other's homes. We keep watch ___14___ the neighborhood at night and on weekends. Usually a group of
four or five of us goes out together. If something doesn't look right, then we call the police. For example, if we notice a group of teenagers who seem to be looking for___15___, or someone destroying property, we report to the police."
     Alex feels the neighborhood watch groups help a lot in keeping crime down. Her husband Jim agrees,
"Police are good people, but they can't do everything."

( )1.  A. yet
( )2.  A. carefully
( )3.  A. familiar
( )4.  A. curtained
( )5.  A. attends
( )6.  A. meet
( )7.  A. where
( )8.  A. politics
( )9.  A. keep
( )10. A. its
( )11. A. right
( )12. A. unlucky
( )13. A. set
( )14. A. on
( )15. A. work

B. still
B. clearly
B. unusual
B. open
B. belongs
B. discuss
B. why
B. wealth
B. hold
B. his
B. chance
B. unsafe
B. let
B. into
B. burden

C. just
C. nervously
C. expensive
C. old
C. goes
C. visit
C. when
C. health
C. let
C. their
C. courage
C. disappointed
C. hold
C. for
C. service

D. rather
D. coldly
D. interesting
D. broken
D. turns
D. search
D. how
D. safety
D. protect
D. your
D. mind
D. discouraged
D. look
D. with
D. trouble

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题型：单项选择题

劳动年龄内人口不包括()。

A.老年人口中的就业者

B.失业人口

C.在校研究生

D.现役军人

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题型：单项选择题

0，4，16，40，80，( )

A．160

B．128

C．136

D．140

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题型：单项选择题

失眠患者耳穴埋籽不适合选（）

A.神门

B.皮质下（脑）

C.肺

D.肾

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