(16) 图像通过使用彩色查找表来显示图像颜色。 A．真彩色 B．伪彩色 C．

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       Are you looking for something fun and would you like to help others in your spare time? Then join

us to be a volunteer! We're a non-profit (非盈利的) organization. We have volunteer jobs of all ages.

Anyone, from twelve-year-old children to people in their seventies can become a volunteer.

       You can help people in many ways. Schools need help with taking care of' children while parents

are working. Hospitals need volunteers to look after children while their parents are seeing a doctor.

Animal lovers can help take care of those dogs and cats without homes. There is something for everyone.

       "As a volunteer, I don't want to get anything. Seeing the children/s happy faces, I'm happy, too.

"said Carlos Domingo , an old woman of 62. "I 0ften played computer games in my spare time before.

Now I help older people learn how to use computers. "said another volunteer at the age of 18.

       If everyone helps out a bit , we'll have a better world to live in. Interested? Call us l-800-555-5756

or visit our website: www. activol. com.

1. When do the volunteers help others?

A. In their spare time.

B. At weekends

C. On weekdays.

D. In the evenings.

2. ________ can be a volunteer.  

A. Children

B. Old women

C. Anyone aged 12-70

D. Young people

3. Volunteers want to get ________when they help others.

A. money                    

B. computers

C. everything              

D. nothing

4. Carlos Domingo does volunteer work with________.

A. animals                  

B. children

C. computers                

D. older people

5. We can read such a passage________.

A. in a newspaper

B. in a storybook  

C. in a picture book

D. in a textbook

浙江某工艺品公司，由于产品技术含量不高、缺乏特色和金融危机的冲击，曾经濒临倒闭。2010年来，公司在员工中开展“厂兴我荣、厂衰我辱”教育的同时，创新经营理念，重视品牌建设，运用先进技术和工艺将文化与产品“嫁接”起来，结合百家姓、中国历史名著中的人物故事等创造性地开发出一系列新的工艺品，大大提高了品牌的知名度和产品的附加值。目前，该公司产品的国内市场占有率达10%，产品远销欧美市场，企业前景一片光明。

结合材料，阐述该公司的成功对低端制造业走出困境的启示。

________________________________________________________________________________

小明对铁的锈蚀进行如下探究。室温时，将包有样品的滤纸包用大头针固定在橡胶塞上，迅速塞紧，装置如图。观察到量筒内水沿导管慢慢进入广口瓶(净容积为146 mL)。当温度恢复至室温，且量筒内水面高度不变时读数(此时瓶内氧气含量近似为零)。记录起始和最终量筒的读数以及所需时间如下表．

(1)实验①和②说明NaCl可以__________  (填“加快”或“减慢”)铁锈蚀的速率。

(2)实验开始后，广口瓶内温度有所上升，说明铁的锈蚀过程是___________(填“放热”或“吸热”)过程。

(3)实验结束后取出滤纸包，观察到有红棕色物质生成，该物质的化学式是____________。

(4)实验①和③是探究碳对铁锈蚀速率的影响，请在表格空白处填写实验③的样品组成。

(5)该装置还可用于测量空气中氧气的含量，根据上述数据计算氧气的体积含量是_________(保留3位有效数字)。

2010年1月1日，乙公司采用分期付款方式购入大型设备一套，当日投入使用。合同约定的价款为3000万元，分3年等额支付；该分期支付购买价款的现值为2600万元。假定不考虑其他因素，乙公司购买该设备的入账价值为( )万元。

A．900
B．2600
C．3000
D．1000

工商谈判效益的评价标准( )。

A．目标实现标准

B．成本优先标准

C．形象效益标准

D．谈判效率标准