1、只要把两个主语一样的句子间的句号改成逗号，再加上and就可以了。有时还可以把后一句的主语省略。例如：It appears mysteriously and spreads spontaneously in many different forms.以and, or, but等连接的简单句，掌握熟练的话，会让我们的文章流畅自然。第二步：语法精讲1. 简介并列句是英语中广泛存在的一种句型，其特点是用表示并列关系的连词将两个独立的句子联系起来。主要用or和and来连接。2. 考试必备套句（1）Work hard, and you will finally be able to reach your
2、destination. 努力工作，你就能实现你的最终目标。【分析】“命令式+and”在表示条件时，表示“你要才会”的意思。在写作里面可以用来提出建议。“名词+and”句式有时也可以用来表示条件，如：One more effort, and you will be successful.（2）Study hard, or you will fail to pass the exam. 如果你不努力学习，你将无法通过考试。【分析】“命令式+or”句式表示“你要否则”或“否则的话”等意思。注意：“命令式+and”表示条件时，表示“你要才会”的意思；“命令式+or”句式表示“你要否则”或“否则的话”
3、等意思；同时，要注意“名词+and”句式有时也可以用来表示条件。这三种类型有一个共同特点就是and或or后面的从句要用一般将来时态。第三步：练习与进步翻译1. 说话大声点，教室里的学生才能听到你讲的内容。Speak louder, and every student in the classroom will able to hear you.2. 你要早点出发，这样才能提前到达那里。Start early, and you will arrive ahead of schedule.3. 要是你违反了法律，你将会被警察逮捕。Violate the law, and you will be a
4、rrested by the police.4. 轻点儿走，否则你会弄出声响儿吵醒婴儿。Walk slightly, or you will make a noise and wake the baby.5. 仔细点儿读这本书，否则你将无法理解其主题思想。Read the book more carefully, or you will not understand the main idea.6. 如果再来一次这样的暴风雨，所有的庄稼都将被毁。One more such storm and all the crops will be totally destroyed.7. 说曹操，曹操就到
5、。Talk of the devil, and he will appear.8. 快点，否则你要迟到了。Please, quickly, or you will be late.9. 快点走，否则就赶不上早班车了。Walk quickly, or you will not catch the early bus.10. 努力学习，你就能够通过这次考试。Study hard, and you will pass the examination.第四步：出彩句式1. 向前看，向右看式Life can only be understood backwards, but it must be liv
6、ed forwards.只有向后看才能理解生活；但要生活好，则必须向前看。【点评】写作时这句话用来在原因段和解决问题段之间承上启下，确是个完美的选择。2. 匹夫有责式No man is useless in this world who lightens the burden of someone else.（C. Dickens ）在这个世界上能为别人减轻负担的人都是有用的。（狄更斯）【点评】该句用来论述个人应该为社会减负的问题时，可谓是恰到好处。第五步：实践与进步1. Why are ? For one thing, For another, 2. Another reason why I
7、 dispute the above statement is that3. It gives rise to a host of problems .4. There are numerous reasons why, and I shall explore here only a few of the most important ones.5. It will exert profound influence on6. A multitude of factors could account for the change in7. In 1999, it increased from 5 to 10 percent of the total.8. By comparison with 1998, it decreased from 10 to 5 percent.9. account（s） for 15 percent of the total.
