6月英语四级作文练习：塑料袋的危害
Directions:
Write a composition entitled Limiting the Use of Disposable Plastic Bags. You should write at least 120 words according to the outline given below in Chiness.
1.一次性塑料袋曾被广泛使用;
2.一次性塑料袋造成的问题;
3.限制使用一次性塑料袋的意义。
Limiting the Use of Disposable Plastic Bags
In the past,a great many people used to use disposable plastic bags for shopping and other purposes.However,the excessive use of disposable plastic bags has led to great damages both to environment and to people's health.
On the one hand,it takes about 200 years for a buried plastic bag to decompose and be absorbed by the soil.On the other hand, the use of disposable plastic bags will indirectly do harm to people's health, which is less known to the public.Sometimes people buy hot food packed into disposable plastic bags to save the time and labor in washing their dining utensils.Yet they are not informed of the chemicals in the bags will release in high temperature.Therefore,they are eating the poisonous stuff while enjoying the tasty food.
It's enlightening and significant that our government has banned the free provision of disposable plastic bags in supermarkets.Trial practice has shown considerable reduction in the consumption of bags.In a word, fewer plastic bags will bring us the sustainable development of our earth.(177 words)
过去，许多人在购物或其他时候常常使用一次性塑料袋。然而，过度使用一次性塑料袋已对环境和人们的健康造成了巨大的危害。
一方面，只埋在地里的塑料袋需要两百年时间才能降解，被土壤吸收。另一方面，一次性塑料袋会间接对人体健康造成损害，大家对这一点知之甚少。有时人们为了省时省事，不用清洗餐具，就将买来的'热腾腾的食物装进一次性塑料袋里。而他们并不知道袋中的化学物品在高温下会释放出来。因此，在享受美食时，他们吃的其实是有毒物品。
我国政府己禁止超市免费提供一次性塑料袋。试行的政策已表明塑料袋的消费有了大幅度的减少。总之，少用塑料袋可让我们的地球保持可持续发展。
