广州B、RT西起()东至(),全线总长22.9公里。A、天河城,黄村 B、石牌桥,棠

题型:单项选择题

问题:

广州B、RT西起()东至(),全线总长22.9公里。

A、天河城,黄村

B、石牌桥,棠东

C、岗顶,天河公园

D、天河体育中心,黄埔夏园

考点:城市文化建设发展知识广州地理历史及歇后语典故广州地理历史及歇后语典故题库
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已知函数f(x)与g(x)分别由下表给出,那么g(f(3))=______.
x
 
1234x
 
1234
f(x)
 
2341g(x)
 
2143
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纵向研究指的是( )

A.对不同年龄的人进行的研究

B.按照问题的难度由浅入深的研究

C.在前后不同的时间里进行的研究

D.按照社会发展的历史规律而进行的研究

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阅读理解.

     Why You Should Celebrate Your Mistakes

     When you make a mistake,big or small,cherish(珍视) it like it's the most precious thing in the world.

Because in some ways,it is.

     Most of us feel bad when we make mistakes,beat ourselves up about it,feel like failures,get mad at

ourselves.

     And that's only natural:most of us have been taught from a young age that mistakes are bad,that we

should try to avoid mistakes.We've been scolded when we make mistakes-at home,school and work.

Maybe not always,but probably enough times to make feeling bad about mistakes an unconscious reaction.

Yet  without mistakes, we could not learn or grow. If  you think about it that way, mistakes should be

cherished  and  celebrated  for being one of  the most amazing things in the world:they  make learning

possible;they make growth and improvement possible.

     By trial and error-trying things,making mistakes,and learning from those mistakes-we have figured out

how to make electric light,to paint the ceiling of the Sistine Chapel,to fly.

     Mistakes make walking possible for the smallest toddler,make speech possible,make works of genius

possible.

     Think about how we learn:we don't just consume information about something and instantly know it or

know how to do it.You don't just read about painting,or writing,or computer programming,or baking,or

playing the piano,and know how to do them right away.Instead,you get information about something,from

reading or from another person or from observing usually...then you construct a model in your mind...then

you test it out by trying it in the real world...then you make mistakes...then you revise the model based on

the results of your real-world experimentation...and repeat,making mistakes,learning from those mistakes,

until you've pretty much learned how to do something.That's how we learn as babies and toddlers,and how

we learn as adults.Mistakes are how we learn to do something new-because if you succeed at something,

it's probably something you already knew how to do.You haven't really grown much from that success-at

most it's the last step on your journey,not the whole journey.Most of the journey was made up of mistakes,

if it's a good journey.

     So if you value learning,if you value growing and improving,then you should value mistakes.They are

amazing things that make a world of brilliance possible.

1.Why do most of us feel bad about making mistakes?

A.Because mistakes make us suffer a lot.

B.Because it's a natural part in our life.

C.Because we've been taught so from a young age.

D.Because mistakes have ruined many people's careers.

2.According to the passage,what is the right attitude to mistakes?

A.We should try to avoid making mistakes.

B.We should owe great inventions mainly to mistakes.

C.We should treat mistakes as good chances to learn.

D.We should make feeling bad about mistakes an unconscious reaction.

3.The underlined word "toddler" in Paragraph 6 probably means __________.

A.a small child learning to walk

B.a kindergarten child learning to draw

C.a primary pupil learning to read

D.a school teenager learning to write

4.We can learn from the passage that __________.

A.most of us can really grow from success

B.growing and improving are based on mistakes

C.we learn to make mistakes by trial and error

D.we read about something and know how to do it right away

题型:单项选择题

灰库启动前的检查有哪些?

题型:单项选择题

在Windows 98系统默认配置下,有些系统工具程序需要用户在“运行”对话框中输入命令才能启动(即不能通过菜单或工具栏等可视化操作来启动)。在下列系统工具中,需要在“运行”对话框中输入命令才能启动的是( )。

A.注册表编辑器

B.系统监视器

C.网络监视器

D.磁盘清理程序

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