此句也很宽泛，主题依然是storms，而中心思想指向很多不同的后果，一共论述四个方面。如果一个主题句包含那么多个焦点，非常难以有效地展开整段，所以作为一个主题句这个例句是不太适合的。 As everyone knows， English is very important these days.It's been use everywhere on this planet . It has grown to be the most common language on Online and for Global trade. 我们拥有完善的后台管理系统, 合理安... http://speech84178.pointblog.net/5-Easy-Facts-About-Described-49240170