用绳子测游泳池水深,绳子两折时,多余60厘米,绳子三折时,还差40厘米,求绳子长(

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问题:

用绳子测游泳池水深,绳子两折时,多余60厘米,绳子三折时,还差40厘米,求绳子长( )厘米。

A.600

B.240

C.800

D.400

考点:国家公务员行政职业能力测试行政职业能力测试
题型:单项选择题
若对于给定的正实数k,函数f(x)=
k
x
的图象上总存在点C,使得以C为圆心,1为半径的圆上有两个不同的点到原点O的距离为2,则k的取值范围是______.
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依次填入下列各句横线处的词语,恰当的一组是[ ]

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(2)我们必须重视出口工作,在_____________国内市场新的增长点的同时,重视出口带动经济增长的作用。

(3)课文被视为精确无误的典范,学生只有迷信的义务,很少有_____________的权利,更谈不上去化解了。

A.告诉  培植  置疑

B.告诫  培植  质疑

C.告诉  培育  置疑

D.告诫  培育  质疑

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11.Tell me ________ the concert.

2.If you like, I will send you ________ a different place to work.

3.Don’t use my computer ________ playing games.

4.Would you like to help the old woman ________ her housework?

5.If you tell a lie to me, I’ll be angry ________ you.

6.Lin Tao wants to play the game ________ my new computer.

7.My father said that I could use his computer only ________my homework.

8.You should say sorry to her, ________ all, you have hurt her.

9.Next time you should play football ________ Da Wei.

10.My dad was ________, so I decided to use his computer.

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将NH4HCO3置于干的试管中加热,并使放出的气体依次通过盛有过氧化钠和碱石灰的干燥管,最后得到的气体有(   )

A.NH3,O2

B.H2O,O2

C.CO2,O2

D.O2

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唾液腺基础分泌,分泌量最大的是()

A.腮腺

B.颌下腺

C.舌下腺

D.腭腺

E.颊腺

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