在下列条件下，两瓶气体所含的原子数一定相等的是（） A．具有相同质量、不同密度

发布时间：2017-05-25 10:24 │ 来源：www.tikuol.com

题型：选择题

问题：

在下列条件下，两瓶气体所含的原子数一定相等的是（　　）

A．具有相同质量、不同密度的O₂和O₃

B．具有相同温度、相同体积的CO和N₂

C．具有相同体积、相同密度的SO₂和NO₂

D．具有相同压强、相同体积的N₂O和CO₂

考点：阿伏加德罗定律物质的量的有关计算

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完形填空。

     Earthquakes are   1  ; thousands of them happen each day. But most are too weak to feel. During a big
earthquake. there is often a great noise first. Then the earth   2   terribly; many houses fall down. Railway
tracks break and trains go   3 lines; a great many factories are   4 ; thousands of deaths are caused, and
many more lose homes...   5 the great damage and deaths caused by the earthquake itself, other disasters
such as fires often   6 . More buildings are destroyed and more   7   are caused.
    It is well known of the   8   of a possible earthquake, and for centuries man has been making researches
on earthquakes. More than 2,000 years ago,   9  , a Chinese scientist named Zhang Heng invented a machine
which could find out from which  10  the seismic (地震的) waves had come, and this machine is still  11
by scientists today. Now we know much more about earthquakes and  12  they happen, but we still cannot
tell exactly when and where an earthquake will happen, and cannot  13  it from happening. So earthquakes
are among the  14  disasters in the world.
     No one can stop natural earthquakes.  15 , scientists can help stop earthquakes destroying whole cities
and causing too many deaths.

( )1. A. common
( )2. A. moves
( )3. A. off
( )4. A. burst
( )5. A. Except
( )6. A. follow
( )7. A. quakes
( )8. A. information
( )9. A. as a result
( )10. A. country
( )11. A. imported
( )12. A. where
( )13. A. make
( )14. A. worst
( )15. A. However

B. unusual
B. shakes
B. on
B. hurt
B. Besides
B. copy
B. deaths
B. questions
B. in fact
B. directions
B. repaired
B. when
B. prepare
B. best
B. But

C. strange
C. jumps
C. into
C. destroyed
C. Instead
C. come
C. difficulties
C. dangers
C. for example
C. ways
C. protected
C. what
C. stop
C. most
C. And

D. familiar
D. breaks
D. behind
D. buried
D. Because of
D. enter
D. results
D. shock
D. as well
D. city
D. used
D. why
D. let
D. fast
D. So

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The cigarette end thrown away by a careless farmer _____ the big forest and brought us great loss. [ ]

A. brought in

B. resulted from

C. led to

D. led out

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用邻接表表示图进行深度优先遍历时，通常是采用（）来实现算法的。

A.栈

B.队列

C.树

D.图

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柜员可以通过“5630批量处理结果查询”交易，输入（）查询并打印出该批次的代理业务成功的笔数、金额、及失败的笔数、金额。

A.委托日期

B.批量代理委托号

C.流水号

D.代发种类

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循行于下肢外侧中线的经脉是

A．足太阴脾经

B．足阳明胃经

C．足厥阴肝经

D．足少阳胆经

E．足太阳膀胱经

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