用于句首提出論題或現(xiàn)象的句型
、賀ecently , …h(huán)as become the focus of the society .
、凇環(huán)as been playing an increasingly important role in our day-to-day life .
③Nowadays there is a growing concern for …
、躈owadays it is common to hear /see …
、荨環(huán)as become a common occurrence in our daily life .
、轓owadays more and more people are beginning to be aware of the seriousness of …
⑦It is only during the last /past few years that man has become generally aware that …
⑧There is an old / popular saying / proverb which says / goes …
、酙n recent years , there is a general tendency …
⑩Nowadays … has become a problem we have to face .