1.advise that sb.(should) do sth.

　　The doctor advised that we should have a balanced diet and get into the good habit of getting up early.

　　医生建议我们要均衡饮食并养成早起的习惯。

　　2.it is (widely) believed that...

　　It is widely believed that plenty of fresh air contributes to good health.

　　人们通常认为足够的新鲜空气有助于健康。

　　3.can’t...too much

　　We can’t emphasize the importance of protecting our eyes too much.

　　我们再怎么强调保护眼睛的重要性也不为过。

　　4.as引导时间状语从句

　　As the College Entrance Examination is drawing near，we senior high school students are occupied with busy work.

　　随着高考的临近，我们高中学生忙于繁忙的学习。

　　5.why not do sth.

　　Why not drink a little，exercise，stop smoking and eat more fruit and vegetables?

　　为何不少喝点酒，参加锻炼，不抽烟，多吃水果和蔬菜呢?