水利是农业的命脉，我国古代智慧的中国人民修建了不少闻名世界的水利工程。按时间先后

阅读理解。

     China had decided to take action to stop the use of plastic bags. Supermarkets, shops and outlets (经销店)

in China will not be allowed to hand out free plastic carriers and all plastic carriers must be clearly marketed

with prices from June 1.

     "People use too many plastic bags every year and fail to deal with them properly, wasting valuable oil and

littering the country," China's government said in a statement.

     While providing convenience for consumers (消费者), the plastic bags have also caused serious pollution

and waste of energy and resources.

     "We should encourage people to return to carrying cloth bags, and using baskets for their vegetables." the

statement said.

     In addition, the production, sale and use of bags less than 0.025 mm thick is banned from the same date.

The firms that break the rules will face fines or confiscation (没收) of goods and profits (利润).

     China also said it would consider increasing taxes (税) to discourage the production and sale of plastic bags

and encourage the recycling industry.

     Rubbish collectors have to separate plastic for reprocessing and cut the number of plastic bags that are

burnt or buried (掩埋).

     The move brings China into line with a growing international trend (趋势) to cut back on the use of plastic

bags. From Ireland to Uganda and South Africa, governments have experimented with heavy taxes, with the

aim of getting rid of plastic bags.

1. China decided to take action to stop the use of plastic bags because ______.

A. they are not free any more

B. they can't provide convenience for consumers

C. they have polluted the environment and wasted valuable oil

D. the firms have increased the cost

2. The underlined word "banned" in the fifth paragraph probably means ______.

A. 计划

B. 禁止

C. 打破

D. 消费

3. According to the passage, which of the following is NOT true? 

A. The company that won't obey the rules will face fines.

B. Taxes will be increased to discourage the production and sale of plastic bags.

C. Rubbish collectors will burn or bury all plastic bags.

D. Plastic should be separated for reprocessing.

4. From the passage, we can infer (推断) that ______.

A. China will be among the strongest nations in the world

B. people all carry cloth bags or baskets for their vegetables

C. more energy and natural resources will be saved

D. supermarkets and shops will get more profits

5. What's the main idea of the passage?

A. Plastic Bags are Free

B. Recycling industry

C. How to Protect the Environment

D. Free Plastic Shopping Bags to be Banned

科学家们在对月球的探测过程中，发现在月球上也存在类似地球上的大西洋百慕大三角区的神秘地区。美国的“月球轨道探测器”在飞近月球神秘区域的上空时，发现下面的吸引力特别强，科学家把这种地区形象地称为“质量瘤”。目前，月球上已发现了12个质量瘤，但科学家们只知道这些质量瘤是一种既密又重的物质，其余就一无所知了。这表明（    ）

A．人类对客观世界的认识能力是十分有限

B．人们想问题办事情必须从客观实际出发

C．人们对客观事物的认识是永无止境的

D．人的意识能够正确反映客观事物

货物招标文件的( )是招标人与中标人订立合同的基础，应将合同的内容范围、价格、招标人与中标人的权利、义务和责任在合同条款中明确界定。

A．招标公告

B．合同条款

C．投标人须知

D．资料表

E．合同格式

（本小题满分12分）已知8支球队中有3支弱队，以抽签方式将这8支球队分为A、B两组，每组4支．求：

（1）A、B两组中有一组恰有两支弱队的概率；

（2）A组中至少有两支弱队的概率．

患者男性，70岁。便秘多日，护士告其多吃水果能帮助通便，水果中能起通便作用的营养素是

A．糖类
B．纤维素
C．维生素C
D．蛋白质
E．胶原物质