8.…man was endangering himself and everything else on this planet by his indiscriminate use of chemical pesticides.人类毫无顾忌地滥用化学药品已经给人类本身以及这一星球上的其他生灵造成危害
1）endanger：危害，使有危险
The spread of urban areas endangers wildlife.城
市的扩大危害了野生动物的生存。
Smoking during pregnancy can endanger the baby.妇女怀孕期间吸烟会损害婴儿的健康。
2）indiscriminate：acting without careful judgment or at random
任意的，不加选择的
Indiscriminate development of small paper mills has caused serious pollution in the area.
任意发展小造纸厂给那个地区造成了严重的污染。
9.As her title suggests ，Miss Carson was saying that there might come a springtime that would be silent.正如书名所示，卡森女士在告诉人们将来可能出现一个确实寂静的春天。
1）此处as是关系代词，在从句中作suggests的宾语，它代表的是整个主句的意思。
关系代词as 在从句中也可以作主语。
As was expected，he performed the task with success.
正如所期待的那样，他成功地完成了任务。 （作主语）
He comes from South，as I know from his accent.从他的口音中我知道他是南方人。（作宾语）
2）suggest：此处suggest的意思是表明，使想起，使人认为
The shape of the envelop suggested that the letter might be from a girl.
信封的形状表明该信可能是一个女孩写的。
His luxurious country villa suggests wealth.
他的豪华乡村别墅表明他很有钱。
10..Rachel Carson never would have believed that years later she would write a scientific book that would stir up so many controversy.雷切尔·卡森从来也没有想到，多年以后她会写出一本引起激烈争论的科普著作。。
1）never would have done 表示与过去事实相反的情况。
2）stir up：引起 （一般来说不好的情绪或情况）
How to bring up the only child properly has stirred up much controversy in China.
如何培养好独生子女在中国引发了许多辩论。
His speech stirred up racial hatred.他的演说激起了种族仇恨。
3）controversy：争论，争议discussion or argument about sth.which many people strongly
disagree about，or are shocked by 侧重指有深刻意见分歧，引起广泛的讨论，争论
argument：（argumentative adj.）争论，辩论，理由，论据disagreement，quarrel，reasoned discussion 指双方均用事实或理由来说服对方的争论
The new nuclear power project aroused much controversy in the country.
新的核电项目在该国引起了极大的争论。
Her husband was not convinced by her argument that they need a bigger house.
她的他们需要一座更大房子的理由没有说服他的丈夫。
11 The book created the enthusiasm for “ protecting the environment” that has become so commonplace today.这部书激起人们保护环境的热情，而这已成为当今人们普遍关注的问题。
commonplace：普通的，平淡无奇的
Soon it will be commonplace for men to travel to the moon.
不久人类到月球去旅行将成为很普通的事。
Home computers are increasingly commonplace nowadays.
家用电脑越来越成为常用的家用电
