23. die of与die from的区别
(1)die of指死因存在于人体之上或之内（主要指疾病，衰老等自身的原因）。
e.g. die of illness（heart,
trouble, cancer, a fever, etc.）
(2)die from指死因不是存在人体之内或之上，而是由环境造成的（主要指事故等方面的外部原因）。
e.g. die from an earthquake（a traffic
accident, a lightning, starvation, a stroke, etc.）
(3)若死因是由环境影响到体内，即两方面共有的原因，die of和die from都可以用。
e.g. die of (from) a drink（a wound,
overwork, starvation, hunger and cold, etc.）
24. be full of…意为“充满……;填满……”;
be filled with…意为“充满……;填满……”
e.g. The cup is full of water.
The room is filled with all kinds of balloons.
25. another, other, the other, others, the others的区别：
(1)another指不定数目（三者或三者以上）中的“另一个，又一个”，用来代替或修饰单数可数名词；
(2)other意为“另外的，其他的”，修饰复数可数名词;
(3)the other通常指两个中的“另一个”，常用于“one…the other…”的结构；
(4)others泛指“另外的人或物”常用于“some…others…”的结构；
(5)the others特指某范围内的“其余全部的人或物”。
e.g. I don’t like this one, please give me another one.
What other animals do you like?
She has two daughters. One is a teacher, the other is a doctor.
Some people like swimming, others like boating.
There are forty books. Ten are mine and the others are my father’s.
26. 特殊句型：
(1)表示前后状况一样：So（肯定句）/Neither(否定句) + be/助动词/情态动词 +主语.
e.g. ①Tom is a student.
So are they.
Tom isn’t a student.
Neither are they.
②She can play the guitar. So am I.
She can’t play the guitar. Neither am I.
③Mary has finished hishomework.
So have I.
Mary hasn’t finished his homework.
Neither haveI.
④Tom plays basketball every day.
So does Mary.
Tom doesn’t play basketball every day. Neither does Mary.
(2)表示确实如此：So（肯定句）/Neither(否定句) +主语 + be/助动词/情态动词 +主语.
e.g. ①Tom is a student.
So he is.
②She can’t play the guitar.
Neither she can.
③Mary has finished his homework.
So she has.
27. through, over和across表“通过”时辨析:
(1) through从内部通过；
(2) over从空中越过;
(3) across从表面通过
e.g. Tom entered the room through the window.
The train runs through the mountain.
I threw the basketball over the river.
We go to school across the street every day.
28. across, cross与crossing的区别：
(1)across意为“通过”，为介词；
(2)cross意为“通过”，为实义动词；
(3)crossing意为“十字路口”，为名词。
e.g. Tom usually goes to school across the street.
Tom crosses the street to the school.
There are three crossings on the street.
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