已知函数f(x),x∈R满足f(2)=3,且f(x)在R上的导数满足f′(x)-

题型:填空题

问题:

已知函数f(x),x∈R满足f(2)=3,且f(x)在R上的导数满足f′(x)-1<0,则不等式f(x2)<x2+1的解集为(    )。

考点:函数的单调性、最值
题型:填空题

在短文的空格内填入适当的词,使其内容通顺。

     At one time, making a film was an expensive activity only for a small group of people and film companies.

Not only were the tools and machines expensive but the cost of film was also far greater than most people

could afford. However, modem technology has (1)c______ all that.

     New technology has really opened up the world of film-making for film fans. Now a camera does not

cost (2)m______  and most young people are certainly able to pay for it. So all you need is to get one for

yourself. With that, you may then start your own film-making.

     However, film-making is (3)t______ work. You probably need many other people to help you. For example,

the (4)p______ of actors and actresses is very important in your film. Of course, these actors and actresses

may be your schoolmates, friends or family members. You don't even need to pay them a cent while they are

glad to be part of your job. 

     (5)B______ , you need to make up a story. Can you write your own one? If you have good imagination,

you can create an attractive story (6)e______ . Many world-famous film makers and producers are also good

story-writers. If not, perhaps you need someone else to write it for you. An excellent story is the key to

making a (7)s______ film.

题型:填空题

由肌浆网形成的结构().

A.横小管

B.纵小管

C.缝隙连接

D.终池

题型:填空题

有关月经,下述哪项是错的()。

A.经期应保持外阴清洁

B.经血一般不凝

C.月经周期为本次月经干净至下次月经来潮

D.月经初潮多在13~15岁

E.经期全身、局部抵抗力均降低

题型:填空题

“三争优”活动的内容是()

A.争当优秀消防

B.争创优秀警种

C.争建优秀警队

D.争当优秀官兵

题型:填空题

控制室中由直流系统提供高压盘电源的回路有()等。

A、主合闸回路

B、控制保护回路

C、信号回路

D、事故照明回路

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