Re: Please correct this sentences THANKSSSSS!!!
Please don't change the sentences so dramatically. In the first one, for example, you could have simply changed "learning" to "learn" and kept very closely to the original words. There was no reason to change "more and more people" to "a gaining majority of people" In fact, that change might not even be correct - there might not be a majority, even though the overall number has increased.
1.The development of science and techonolgy let people learning very easily.
The development of science and technologies allow people to gain knowledge with ease.
2.More and more people realized the importance about protecting environment.
A gaining majority of people have realised the importance of protecting the environment.
3.In my opinion,it's bad to constract factory in our commuity.
In my opinion, constructing factories in our community may have a detrimental effect.
4.Because of age, parents' understanding of their children sometimes not as good as their peers'
Due to the age difference between parents and children, a child's peer group may communicate more effectively.
I'm not a teacher, but I write for a living. Please don't ask me about 2nd conditionals, but I'm a safe bet for what reads well in (American) English.