单项选择题

Which of the following could serve as the best title for the passage

A．Pollution -- the Necessary Evil
B．The Causes of Pollution
C．Pollution and Agriculture
D．Anti-pollution Needs Your Efforts
<上一题 目录 下一题>
热门 试题

单项选择题
The main cause of pollution is ______.
A．the release of artificial or natural substances into the environment
B．the production of new industrial goods
C．increased amounts of a natural substance
D．our ever-increasing population
单项选择题
The release of oil from oil tankers into the sea is ______.
A．the only source of pollution
B．a kind of pollution caused by the release of natural substances
C．of worldwide consequence
D．most harmful to mankind
相关试题