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1 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 . ② Nowadays there is a growing concern for ... ③ Nowadays it is common to hear /see ... ④ ...has become a common occurrence in our daily life . ⑤ Nowadays more and more people are beginning to be aware of the seriousness of ... ⑥ It is only during the last /past few years that man has become generally aware that ... ⑦ There is an old / popular saying / proverb which says / goes ... ⑧ In recent years there is a general tendency ... ⑨ Nowadays ... has become a problem we have to face . | 
