已知偶函数f(x)的定义域为(-∞,0)∪(0,+∞),当x<0时,f(x)=x

题型:解答题

问题:

已知偶函数f(x)的定义域为(-∞,0)∪(0,+∞),当x<0时,f(x)=x3+1,求当x>0时f(x)表达式;并写出f(x)的解析式.

考点:函数的奇偶性、周期性
题型:解答题

阅读理解。

     Sarah left school at eighteen, went to collage and then worked at a computer company. Four years later,

she got a new job as a manager in British Airways (英国航空公司). This is what she told us about her job:

     "My office is at Heathrow Airport, but I spend 60% of my time in the air. I teach air-hostesses (空姐) and

help them with any problems I also go to lots of meetings.

     My hours are usually form 8 a.m. to 4 p.m. but sometimes I work from 1 p.m. to 9 p.m. At work, the first

thing I do is check plane times on my computer and then I speak with some of the air-hostesses.

     Sometimes I go on long flights (飞行) to check how the air-hostesses are doing. That's my favourite part

of the job, but I like office work, too. Travelling can be hard work. When I get back from a long trip, all I can

do is eat something and then go to bed! I don't make much money, but I'm happy with British Airways and

want to stay there and continue to travel."

1. Sarah's first job was _____.

A. at a college

B. at a computer company

C. in British Airways

D. at Heathrow Airport

2. Sarah does most of her work _____.

A. in meetings

B. in the computer room

C. in the office

D. in airplanes

3. Most days, Sarah starts work at _____.

A. 8 a.m.

B. 1 p.m.

C. 4 p.m.

D. 9 p.m.

4. The first thing Sarah does after a long trip is _____.

A. go to bed

B. have a meal

C. go to a meeting

D. go to the office

5. Sarah would like to _____.

A. make more money

B. stop traveling

C. go to college again

D. stay in the same job

题型:解答题

凡使用了中国移动集团短号码的客户,都可以可通过()+集团号码”方式,向其所在集团内的其它人员轻松发送短信,而不必担心忘记联系人的长号码。

A.10658333;

B.10658222;

C.10658555;

D.10658666。

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牙骨质()

A.在牙颈部最厚,向根尖逐渐变薄

B.随年龄而增厚

C.它的新生依赖于其中的细胞的增殖

D.牙骨质和牙槽骨一样,其间有血管和淋巴管

E.以上都不对

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“让人民幸福”是2011年两会热词。我国政府重视人民“幸福”有利于(  )

①解决现阶段我国社会的主要矛盾 ②分享改革成果,保障和改善民生

③贯彻落实以人为本的科学发展观 ④实现共同富裕,确保人民得到实惠

A.①②④

B.①②③

C.②③④

D.①②③④

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加强老干部党建和思想政治建设“两项建设”载体和阵地有()

A、老年大学(学校);

B、老干部活动中心(室);

C、老干部党校;

D、关心下一代工作委员会。

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