连接着电池组的电容器的两极板靠近时,则[ ] A.电容器的电容C变大 B.电容器

题型:不定项选择

问题:

连接着电池组的电容器的两极板靠近时,则[ ]

A.电容器的电容C变大

B.电容器极板的带电量Q变小

C.电容器极板的电势差变小

D.电容器两极板间电场强度E不变

考点:电场强度的定义式平行板电容器
题型:不定项选择

“Cool”is a word with many meanings.Its old meaning is used to express a temperature that is a little bit cold.As the world has changed,the word has had many different meanings. 

“Cool”can be used to express feelings of interest in almost anything.

When you see a famous car in the street,maybe you will say,“It's cool.”You may think,“He's so cool,”when you see your favourite footballer. 

We all maximize(扩大) the meaning of“cool”.You can use it instead of many words such as “new” or “surprising”.Here's an interesting story we can use to show the way the word is used.A teacher asked her students to write about the waterfall(瀑布)they had visited.On one student's paper was Just the one sentence,“It's so cool.Maybe he thought it was the best way to show what he saw and felt. 

But the story also shows a scarcity(缺乏)of words.Without “cool”,some people have no words to show the same meaning.So it is quite important to keep some credibility(可信性).Can you think of many other words that make your life as colourful as the word “cool”? I can.And I think they are also very cool. 

小题1:We know that the word "cool" has had ________. 

A.only one meaning

B.no meanings

C.many different meanings

D.the same meaning小题2:In the passage,the word“express”means“________”. 

A.see

B.show

C.know

D.feel小题3:If you are _______ something,you may say,“It’s cool.” 

A.interested in

B.angry about

C.afraid of

D.unhappy with小题4:The writer takes an example to show he is ________ the way the word is used.

A.pleased with

B.strange to

C.worried about

D.careful with小题5:In the passage,the writer suggests(暗示)that the word “cool”________. 

A.can be used instead of many words

B.usually means something interesting

C.can make your life colourful

D.may not be as cool as it seems

题型:不定项选择

____________又称稳定性系数。( )

A.再测信度

B.评分者信度

C.内部一致性信度

D.分半信度

题型:不定项选择

计量管理包括计量保证与( )。

A.计量监督

B.测量

C.体系评价

D.产品审核

题型:不定项选择

社区卫生服务是以()。

A.需要为中心

B.需求为导向

C.健康为导向

D.患者为导向

E.妇女、儿童为导向

题型:不定项选择

全員を納得させる()説明をするのは難しい。

A.にたえる

B.にたる

C.とする

D.ゆえの

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