一氧化碳中毒患者需输注的血液制品是A．浓缩红细胞  B．洗涤红细胞  C．白细胞浓缩

阅读理解。

     It's a fine Sunday morning. There are many children near the river. They are students of No. I 

Middle School. They are in Grade One. There are two teachers with them. All the students are Young  

Pioneers. They are having their "Young Pioneers' Day. They are' not playing games now. They are 

working. They are planting trees and flowers. Some of the girls are carrying water  for the young trees. 

The teachers are helping them. They all working hard.

1.—What day is it?

   — ______.

A. Sunday 

B. Friday 

C. Saturday

D. Monday

2. — What are they doing?

    — ______.

A. They are planting trees and flowers.

B. They are playing games on Sunday.

C. They are playing basketball.

D. They aren't working hard.

3. —How many teachers are there?

    —______.

A. Two

B. Three

C. Four

D. Five

4. —What work are the girls doing?

    —______.

A. Playing games.

B. Cleaning the classroom.

C. Cleaning the windows

D. Carrying water for the yong trees.

5. —Who are helping them?

    — ______.

A. The teachers

B. the workers

C. The children

D. We

NEW YORK- One in five U.S．workers regularly attends after-work drinks with coworkers, where the most common mishaps range from badmouthing another worker to drinking too much, according to a study released on Tuesday．

Most workers attend so-called happy hours to bond with colleagues, although 15 percent go to hear the latest office gossip and 13 percent go because they feel necessary, said the survey conducted for CareerBuilder.com, an online job site．As to what happens when the after-work drinks flow, 16 percent reported bad-mouthing a colleague, 10 percent shared a secret about a colleague and 8 percent said they drank too much and acted unprofessionally．Five percent said they had shared a secret about the company, and 4 percent confessed to singing karaoke．While 21 percent of those who attended said happy hours were good for networking, 85 percent said attending had not helped them get closer to someone higher up or get a better position．An equal number of men and women said they attended happy hours with co-workers, with younger workers aged 25 to 34 most likely and workers over 55 least likely to attend．Overall, 21 percent of workers attend happy hours with co-workers and; of those nearly a quarter go at least once a month.

The survey was conducted online by Harris Interactive on behalf of CareerBuilder.com among 6,987 full-time employees between February 11 and March 13．Harris Interactive said the results had a sampling error of plus or minus 1.2 percentage points.

56．Harris Interactive made the survey to find out ________.

A．how U.S．workers spend their after-work time

B．what U.S．workers do at after-work drinks 

C．the relationships between U.S．workers

D．who are most likely to attend after-work drinks

57．________ of workers who attend after-work drinks speak ill of a colleague.

A．4 percent  B．8 percent  C．16 percent       D．10 percent    

58．According to the passage, most of those surveyed believed attending after-work drinks ________．

A．benefited them a lot B．could provide information

C．only made them relaxed  D．was of no help to them

59．We can learn from the text that _________.

A．workers over 55 don’t like to attend happy hours at all

B．about 75% of workers go more than once a month

C．10.5% of male workers attend happy hours with co-workers

D．about 700 workers surveyed shared a secret about a co-worker

60．After the survey, it can be inferred that_________.

A．all the workers oppose after-work drinks

B．the workers may change their attitudes towards after-work drinks

C．all the workers support after-work drinks

D．all the workers are suggested going to attend after-work drinks

试述当代教育学的发展趋势。

影响问题解决的因素有()

A．呈现形式

B．问题的类型

C．问题的特征

D．已有的知识经验

租赁设备租金的计算方法主要有附加率法和()。

A．最小二乘法

B．移动平均法

C．残值法

D．年金法