在托福备考过程中，学生一般都会比较关注词汇的语言和逻辑的合理。但是，在这里也需要提醒大家，在托福写作过程中，学会合理的使用标点符号，也是会为自己的托福写作带来很大的帮助的。
托福写作技巧1：在并列连词(and， but， for， nor， or， yet )前使用，用来连接句中的各分句。
The principal reason for this is that none of them possesses chlorophyll，and since they cannot synthesize their own carbohydrates， they obtain their supplies either from the breakdown of dead organic matter or from other living organisms.
托福写作技巧2：用逗号来分隔一系列单词、词组和从句。
Furthermore the walls of fungal cells are not made of cellulose， as those of plants are， but of another complex sugar like polymer called chitin， the material from which the hard outer skeletons of shrimps， spiders， and insects are made.
They are a major cause of structural damage to building timbers， a cause of disease in animals and humans， and one of the greatest causes of agricultural losses.
新托福写作技巧3：逗号用来分隔与句子其他部分密切相连的简短插入语或旁白。(较长的，更为突兀的或复杂的插入成分的则用破折号或圆括号。)
Chemical fertilization，for example， helps to produce better crops， but is harmful to the environment.
新托福写作技巧4：在并列形容词，即分别修饰同一个名词的形容词之间使用逗号，但也有的形容词之间不加逗号的。
For men， heroism was usually described as bravery and the active，successful over coming of adversity.
新托福写作技巧5：用逗号来分隔非限定性修饰语，即该修饰语对于句子的意义并非必不可少。非限定性修饰语与限定性修饰语的区别在于，它即使被省略，也不会改变句子的主要意思。
(1) 同位语。
The canopy， the upper level of the trees in the rain forest， holds a plethora of climbing mammals of moderately large size， which may include monkeys， cats， civets， and porcupines.
(2) 从句。
The canopy， the upper level of the trees in the rain forest， holds a plethora of climbing mammals of moderately large size， which may include monkeys， cats， civets， and porcupines.
标点符号是托福休中的一些小细节，但是，大家如果不认真对待，就会造成很多句式读起来不通顺，让阅卷老师阅读过程中出现难题。因此，以上前程百利小编和大家分享的托福写作中标点符号的使用方法，希望大家可以认真对待。
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