你认为迄今为止最有害的一项发明英语作文

你认为迄今为止最有害的一项发明英语作文

Air-condition is widely used by people nowadays.It can make people cool when in the hot day.It can create a pleasant surrounding to work,to study,to sleep and so on.Air-condition is a useful invention,It's easy to use just turn on it and then adjust the temperature.But it destroy the environment,it releas lots of carbon dioxide.The weather become more and more warmer.The air-condition also consume large numbers of electricity.

the most harmful invention is the plastic bag. plastic bag has the history of about 150 years but it has the horrible reality that it doesn't digest util 200 years when burying into the mud. the advantage of the plastic bag is cheap and convenient, while the disadvantage of the plastic bag is a great polluted substance in our environment, which can cause the pollution called white pollution. so the modern day governments try their best to limit the usage of the plastic bag. they make policy to let plastic bag not free and encourage people to use substance thing which can replace the plastic bag, such as the paper bag.