托福报名费用_西安托福_托福环球教育

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语言类：

easy accessibility 易于操作

speedy communication 快速的交流

anguage acquisition 语言习得

precious gift 宝贵的礼物

mission impoible 不可能的任务

a complex progress 一个复杂过程

an unrealistic dream 一个不切实际的梦想

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and所连接的两个单数名词作主语，指同一人、同一件事或同一概念时，其谓语动词用单数。例如：My best friend and adviser has changed hi*ind again.

Bread, butter and e*s is typical American Breakfast .

If law andsgroupsis not preserved, neither the citizen nor his property is safe.如果不能维持治安，公民和他的财产都不安全。

表示时间、距离、重量、体积、*的复数名词，作主语时作为整体来看待，谓语动词通常用单数。

【例如】

Five thousands dollars is quite a large sum of money to me.

Fifty miles is too long a distance for one to walk on foot.

Ten years has passed but he didn"t change at all.

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