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时间:2016-08-26
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大家平时在托福作文练习中除了对词汇、语法点、句型进行掌握,老师在这里还要提醒大家可能平时容易忽略的一点,写作中的标点符号也特别重要;文中句与句之间的过度,文章是否通顺都与它有着密不可分的联系,接下来我们就来仔细学习一下:托福写作中标点符号的重要性。
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 break down of dead organic matter or from other living organisms.
2:用逗号来分隔一系列单词、词组和从句。
Further more the walls of fungal cells are not made of cellulose, as those of plants are, but of another complex sugar like polymer called chitin, thematerial 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.
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.
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.
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 aplethora of climbing mammals of moderately large size, which may includemonkeys, cats, civets, and porcupines.
(2) 从句。
The canopy, the upper level of the trees in the rain forest, holds aplethora of climbing mammals of moderately large size, which may includemonkeys, cats, civets, and porcupines.
想要在新托福写作中拿到高分,像标点符号这样的小细节也需要非常注意。最后,预祝大家考试顺利!
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