1.The debate these days draws our attention about whether

　　2.It goes without saying that

　　3.There is no avoiding the fact that

　　4.There has been a long-term dispute over whether

　　5.have found their popularity and acceptance among citizens.

　　6. in my country have become the focus of public concern.

　　7.Even three-year-old children know about severe problems brought

　　by in cities around the world.

　　8. It wasn’t until that

　　9. is increasingly becoming the focus of government and citizen’s concern around the globe.

　　10. When economy is running on the right way for a relatively long period, and commercialization is sweeping across the world, the issue of has been mentioned and emphasized in our society more frequently than ever before.

　　11. It is not uncommon these days to

　　12. there is a belief that

　　13. It is reported that

　　14. Over the last half century, the pace of change in has increased beyond our wildest expectations.