儿童自我意识包括______、自我体验和自我监控三个方面。

阅读理解。

     Why do we need to throw less away? There are two reasons. One is that some resources (资源) are

nonrenewable (不可再生的). That means there is only a certain amount of that resource in the world.

One example of this is oil. When we use up all the oil in the world, there will be no more.

     There is another reason for throwing less away. All of our trash has to be put somewhere. Often, it is

put into garbage dumps (垃圾场). Much of that trash will be there for hundreds of years. The dumps will

be filled up with all this trash.

     There are three ways to cut down on trash.

     One way is to recycle. When you recycle something, it means it is made into another shape and used

again. Old newspaper may become paper bags. A glass jar can be melted (熔化) and made into a bottle.

     Another way to cut down on trash is to reuse things. You can wash and use again a bottle that can hold

mustard (芥末酱) or something else.

     The third way to cut down on trash is to reduce the amount of trash you make, stop buying thing that

you don't need in the first place. That reduce the amount of the earth's resources that you use.

1. How many reasons do we need to throw less away?

A. Three

B. five

C. two

2. When you reuse something, it means _____.

A. it is made into another shape and used again

B. it is used again

C. it isn't used any more

3. All the ways of cutting down on trash in the passage are to _____.

A. recycle and reuse things

B. recycles and reduce the amount of trash you make

C. reuse things recycle and reduce the amount of trash you make

4. If a broken plastic box is changed into a plastic ruler, the way is to _____.

A. recycle

B. reuse

C. reduce 

5. The word "reduce" in the passage means _____.

A. 还原

B. 减少

C. 增加

根据已建各类建设工程与风险有关的统计资料来识别拟建建设工程的风险，是采用( )法的方法来识别风险。

A．专家调整

B．流程图

C．经验数据

D．初始清单

定期库存控制的经常储备定额等于（）。

A.最低储备量和备运时间需要量之和

B.定期订购的订购批量

C.经济订购批量

D.进货周期物资需要量

饲料水溶性氯化物测定方法（银量法）中，体积比指（）与硫氰酸铵溶液的体积比。

在我国重点产业的确定中，应坚持把( )放在经济工作的首位。

A．工业

B．农业

C．基础设施建设

D．第三产业