= She is too young to look after herself.
= She is not old enough to look after herself.
【例题】( )-You study _____hard______you’re sure to pass the exam.
-Thank you for saying so.
A.enough; to
B.as;as
C.so; that
7.as soon as 一……就……
as soon as 为连词，引导时间状语从句
当主句是一般将来时或祈使句时，从句通常用一般现在时，简称“主将从现”。
e.g. I’ll tell her about the matter as soon as she returns home.
I’ll ring you up as soon as I got to Sanya.
【例题】( )-Will you please give the dictionary to Jane?
-Sure. I’ll giv e it to her____she arrives here.
A.before
B.until
C.because
D.as soon as
8.the whole family 全家
whole的用法
①作形容词，意为“全部的；完整的”。
the whole night 整夜in the whole world 全世界
②作名词，意为“全部，全体，整个”。
as a whole作为整体the whole of China 整个中国
【辨析】whole 与all
whole一般位于冠词、所有格或别的限定词之后，而all则位于这些词之前
all the time/ the whole time 整个时间
all my life/ my whole life 我的一生
all the class/ the whole class 整个班级
【例题】( ) Alison has been skating for_____two hours.
A.the all
B.whole the
C.the whole
D.all of
9.be made of 与be made from 由……制成
①be made of 表示制成成品后，仍可以看出原材料
The desks are made of wood.
②be made from 看不出原材料，属于化学变化
Paper is made of wood.
【例题】( )This pair of shoes_____by hand, and it ____very comfortable.
A.is made from; is felt
B.are made of; feels
C.is made by; feels
Unit 7 What’s the highest mountain in the world?
重点短语:
feel free as far as I know in the face of
even though at birth walk into
fall over or so take in
many times endangered animals achieve one’s dream
语言知识归纳：
3.比较级和最高级的特殊句型
① “get/ beco me + 形容词比较级+ and + 形容词比较级”表示“变得越来越……”，当形容词为多音节词（少数双音节词）时，用“ more and more + 原级”。
It gets warmer and warmer when spring comes.
② “the + 形容词比较级……，the + 形容词比较级……”意为“越……就越……”。
The harder you work at your study, the better grades you will have.
③ “one of the +最高级+可数名词复数”表示“最……之一”。
Chengdu is one of the most beautiful cities in China.