Most of us today recognize that _____1_____ pollution has been a greatly serious problem. Lots of plants trees corps are destroyed by bad air. Many fish die of poisonous water. _____2____ of people die from eating _____3____ fish or breathing in gas. Therefore, environmental pollution should be _____4_____ for these diseases that are disabling, or bringing death not only to human beings, but also to wild life.

From above, we can find that the reasons why environment are polluted more and more _____5____ are as follows. The primary reason, I think, is the reason of harmful substances into environment. For example, to prevent insects, farmers make use of great ____6____ of insecticides, so as to have bumper harvests. However, they pollute air, water and land. Second, the gas coming from the car engines and _____7____ also make environment polluted badly. The third reason ____8_____ is the result of a growing population in the world. Everyday, so much litter and waste are poured out from houses, also pollute the environment. The significance for controlling pollution noted that it's high time that more_____9_____ measures should be taken. Therefore, new laws should be passed to limit the amount of pollutants from factories. Moreover, in the households, there is an obvious need to _____10____ litter and waste. Let's make our good efforts, and the world will be a safer place to live for us

A. effective
B. actually
C. passed
D. factories
E. seriously
F. environmental
G. poisoned
H. reduce
I. thousands
J. responsible
K. waste
L. amounts.