英语写作是一项综合能力，要想写出一篇好的文章。首先，平时的基础一定要打好。单词和语法是最重要的，词汇量的多少直接影响写作。而单词需要依靠平时的积累，俗话说冰冻三尺非一日之寒，所以制定学习时间是提升英语成绩的关键。 　1)主语从句 It is common knowledge that honesty is the best policy. It is well-known that… It is self-evident/ conceivable / obvious / apparent that… It goes without saying that… It is universally