______由吸附和吸收多种有害污染物的功能，因此______是防治大气

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问题填空题

______由吸附和吸收多种有害污染物的功能，因此______是防治大气污染的有效措施．

答案

绿色植物能够吸附和吸收多种被排放到空气中的有害污染物，具有防治大气污染，改善空气质量的功能，因此，大力开展植树造林活动是防治大气污染的有效措施之一．

故答案为：绿色植物；植树造林．

填空题

首字母填空。

School education(教育) is very important and useful. Yet no one can l 1 everything at school and a

teacher can't teach his students e 2 they want to know. His job is to s 3 his students how to learn. He

teaches them how to read and how to think. So the students can learn much more by t 4 .

It is more i 5 to know how to study by oneself. It's quite easy to learn something, but it's difficult

to u 6 it to solve problems. Great inventors do not get everything from school, but they still can invent

many things and change the world a l 7 .

How can the inventors do all of this? That's b 8 they know how to study. A lot of things are not

taught in the classroom. They get a lot of knowledge by reading o 9 school. They work hard and

never g 10 up all their lives.

1. l 2.e 3. s 4.t 5. i

6. u 7.l 8.b 9.o 10.g

问答题简答题

简述孔德实证哲学理论的局限性。