half of students为啥不说a half of

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half of students为啥不说a half of
half of students为啥不说a half of

half of students为啥不说a half of
half of students... 学生的一半.
没有说a half of ..只有 half of a ...
但是 half of a student 就是说一个学生的一半,就不对了.

为什么要说？

half在这里作限定词(determiner)
表示an amount equal to half of something/somebody。另如：
half an hour
Half of the money was mine.
在a half中，half作名词（noun）
表示 either of two equal parts into which ...

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half在这里作限定词(determiner)
表示an amount equal to half of something/somebody。另如：
half an hour
Half of the money was mine.
在a half中，half作名词（noun）
表示 either of two equal parts into which something is or can be divided。另如：
two and a half kilos (2½)
One and a half hours are allowed for the exam.
这些词典上都有。还想知道更多例句的话，可以自己再去翻下词典哦，呵呵。

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half of students为啥不说a half of half students和half of the students有什么区别 Half后面可不可以连用of,如half of students half of the students翻译成中文 around half of all full time students half of the students made the sam mistake是什么意思 more than half of increasing students这一说法对吗? half a day 为何不说half day.类比half apple ( )of the students in John's class are in ( )A.one-half,the twenties B.Half ,the twenties C.half,their twenties D.A half ,their twenties half of the students 还是one-second of the students_____ of the students attend interest clubs after class.a.one-second b.half想问问为什么 half a day 为何不说a half day Half of the students ____ from Beijing.A.is B.was C.are D.be Half of the students _____made the same mistake.这里为什么不能选are 要选have、 The ( ) that half of the students dialike the course.A.statistic shows B.statistics shows do ,it ,of ,students ,said ,the ,that ,enough,is ,exercise ,half ,take ,not 连成成句 The ( ) that half of the students dialike the course.A.statistic shows B.statistics shows Girl students make ____one half of this class用介词填空 将下面一个句子改成独立主格：Over half of students liked reading the news.