用于句首提出论题或现象的句型

　　①Recently , …has become the focus of the society .

　　②…has been playing an increasingly important role in our day-to-day life .

　　③Nowadays there is a growing concern for …

　　④Nowadays it is common to hear /see …

　　⑤…has become a common occurrence in our daily life .

　　⑥Nowadays 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 …

　　⑨In recent years , there is a general tendency …

　　⑩Nowadays … has become a problem we have to face .