实体是信息世界中广泛使用的一个术语，它用于表示( )。A．有生命的事物 B．无生命

     You may feel interested in students in other countries.Do they have so much homework? What do

they do in their free time? People did a survey in China,Japan,South Korea(韩国)and the US last year.

This is the result.

     Who studies the hardest?

     Chinese students spend the most time in studying.About half of Chinese students spend more than

two hours on their homework every day.

     Who sleeps most often in class?Japanese students fail asleep(睡着)in class more often，About 45％

of them sometimes doze off in class.It's 32% in South Korea,21%in the US and 5%in China.

     Who is the most distracted(分心的)?

     American students are the most active in class,but also the most distracted.64.2%of them chat with

friends in class. 46.9 of them eat something in class, and 38.9 of them send e-mails or read other books

in class.

     What do they do after school?

     In their free time, most Chinese students study or surf the Internet. Most American students hang out

with their friends. Most Japanese students do exercise, .Most South Korean students watch TV.

1.About _________of Chinese students spend more than 2 hours doing their homework every day.

A. 50%

B. 45%

C. 64.2%

D. 38.9%

2.According to the survey. _________ students sleep in class most often.

A. Chinese

B. Japanese

C. American

D. South Korea

3.The underlined phrase "doze off" mean _________in Chinese.

A. 听音乐

B. 玩游戏

C. 看小说

D. 打瞌睡

4.46.9％of American students_________ in their free time.

A. chat with friends

B. play games

C. eat something

D. send e-mails

5.Most American students, _________in their free time.

A. surf the Internet

B. hang out with friends

C. do sports

D. watch TV

We had tried everything, but it made no ______. [ ]

A. use

B. good

C. result

D. difference

项目前期策划阶段，在PMC模式下进行的代表或协助建设项目业主主要进行的工作不包括( )。

A．主持或参与项目的可行性研究论证

B．提出项目统一遵循的标准、规范和规定

C．为项目的决策、立项提供相关服务工作

D．代表或协助业主完成需要向政府部门申报的有关工作

下列关于房地产开发的成本、费用扣除的税务处理陈述，正确的是（）。

A.企业委托境外机构销售开发产品的，其支付境外机构的销售费用（不含佣金或手续费）不超过委托销售收入10%的部分，准予据实扣除

B.企业开发产品转为自用的，使用10个月后又销售，使用期间的折旧费用允许税前扣除

C.企业将已计入销售收入的共用部位、共用设施设备维修基金按规定移交给有关部门、单位的，应于移交时扣除

D.计税成本一律不得预提，均应按实际发生成本核算