随着世界范围内环保法规的日趋严格以及人们环保意识的不断增强，传统的煤气净化技术已不能满足需要，显示出资源浪费，环境污染等缺陷。下图为焦炉煤气的干法净化生产流程图。据此回答下列问题。
小题1:若W是一个工厂，最适宜的是
A．水泥厂
B．钢铁厂
C．玻璃厂
D．石灰厂小题2:该生产流程的优点有
①粉尘去除率高 ②热回收利用率高③加强企业的专业化程度 ④减少污染物质排放
A．①②③
B．①②④
C．①③④
D．②③④
小题1:A
小题2:B
题目分析：
小题1:通过读图可以看出W主要是以燃烧煤炭后的粉尘为原料，最适宜制造水泥。故选A答案
小题2:该生产流程粉尘回收为直接排放到大气中，故①正确；用热空气为供热厂提供热量，故②正确；将粉尘、废热进行回收利用，减少了污染物质排放，故④正确；而这种生产流程图主要是关于焦炉煤气的干法净化过程，对加强企业的专业化程度影响较小。故正确选项为B。
| 阅读理解。 |
| Which of your hands do you use most ? Very few of us use both of our hands well. Most of us are right- handed. Only about five people out of a hundred are left-handed. New-born babies can take things with either of their hands, but in about two years they like to use their right hands. Scientists don't know why this happens. They have studied it. They think our animal ancestors (祖先) are right-handed. This may not be true. Monkeys are our closest relations in the animal world. Scientists have found that monkeys like to use one of their hands more than the other-but it can be either hand. There are as many right-handed ones. Next time you visit the zoo, watch the monkeys carefully. You'll see that some of them will swing (摆动)from their right hands and others will use their left hands. But most human beings (人类) use their right hands better and this makes life difficult for the left-handed ones. We live in a right-handed world. |
| 1.Very few of us can use both of our hands well. It means ________ . |
[ ] |
| A. we can't use one as well as the other B. we can't use both hands C. many people can use one as well as the other D. some of us can use both hands |
| 2. New-born babies ________ at first. |
[ ] |
| A. can only use their right hands B. can only use their left hands C. can't use their hands D. can use both their hands |
| 3. Which of the following is true? |
[ ] |
| A. Monkeys are left-handed. B. Monkeys are right-handed. C. Some of the monkeys are left-handed, and others are right-handed. D. There are much more right-handed monkeys than left-handed monkeys. |
| 4. We live in a _________ . |
[ ] |
| A. left-handed world B. right-handed world C. monkey world D. animal world |
| 5. The left-handed people are difficult in life because __________ . |
[ ] |
| A. they can't use their right hands at all B. most people use their right hands better C. they can't use both of their hands D. they can't use their left hands |