托福写作中如何正确使用标点符号

托福写作不光内容写的好就能得高分的，对于标点的运用也是有一定的要求，如果整体内容写得很不错，但是标点用的一塌糊涂，考官也可能读不懂，就算读懂了，也会觉得不舒服而被扣分。以下是南京新航道托福培训小编为大家搜集的写作中标点运用的方法，希望大家在备考中可以灵活运用。

托福写作中标点用法解析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， andsince they cannot synthesize their own carbohydrates， they obtain their supplies either from the breakdown of dead organic matter or from other living organisms.

托福写作中标点用法解析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 sugarlike 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.

托福写作中标点用法解析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， successfulovercoming of adversity.

托福写作中标点用法解析4： 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.

南京新航道学校提供专业的雅思培训、托福培训、GRE培训、SAT培训、ACT培训剑桥青少英语培训等，帮助广大学子“用英语点亮人生”。