知识点
1. a girl called Alice.
此处called为过去分词，修饰girl，放在名词之后。相当于named.
2.fall down 跌倒，掉下
fall behind 跟不上，落在……后面
fall into 落入……中
fall off 从……上掉下来
fall back 退回
fall asleep 入睡
fall ill 生病
Eg：She fell down and hurt her leg yesterday.
Leaves fall off the trees in fall.
They felt tired and fell asleep quickly.
3. It was sitting in a tree and smiling at everyone.
1）in a tree (外来物或人)在树上
on a tree (树上本身有的东西：apple等)在树上
Eg：There is a bird in the tree.
There are a lot of apples on the tree.
2）smile at sb 对sb微笑
Eg：Lucy is very kind and always smiles at others.
4.“到达”的表达：
arrive in+大地点
at+小地点 (get home\there\here)
get to +地点
reach +地点
5. have a tea party 举办茶会
6. To see if you remember the story.
To see 为不定式，在此处作目的状语，表示“为了看看”
If引导的是一个宾语从句，表示“是否”，不充当任何成分，与whether可以互换
7. have nothing to do 没什么事可做 nothing\something to eat\drink nothing 作主语时，谓语动词用第三人称单数
8. once or twice=from time to time 偶尔
Eg：Once or twice he goes to school on foot.
once 一次 twice 两次 三次及以上：数词+times three times six times
9. what……for?=why……? 为什么? ；……有什么用?
Eg：(1) ---What are you sitting on the eggs for?
---I’m sitting on them to hatch the chicks.
(2) ---Why are you late again?
---Because there is an accident on the road.
10. nothing strange 没什么奇怪的事 形容词strange作后置定语，修饰不定代词nothing。在英语中，当形容修饰不定代词something\anything\nothing\everything等时，形容词必须放在不定代词后面，作后置定语。
Eg：I have something important to do.
There is something strange appeared in the sky.
11. hear sb do sth 听到sb 做sth(此处是省略to的动词不定式作宾语补足语，类似的有make\let\have\help sb do sth 等）
hear sb doing sth 听到sb 正在做sth
Eg：I heard her play the piano in the next room just now.
I hear someone singing in the room.
12.take sth out of sp 把sth从sp掏出
rush\jump out of sp 从sp冲\跳出去
13. across 表示动作是在物体的表面进行，如过河，过桥，过马路。
through 表示动作是在物体的内部空间进行，如穿过森林、门、隧道，光线射入等
Eg：Be careful to look both ways before you go across the road.
The driver must slow down when they drive through the tunnel.
14. too……to…… 太……而不能……
Eg：He is too young to carry the heavy bag.
拓展：(1) too……to……可以和so……that……互换
Eg：She is too young to go to school.
=She is so young that she can’t go to school.
(2) too……to……可以和not……enough to……互换(not后的形容词与too后的形容词 是相反的)
Eg：She is too young to go to school.
=She is not old enough to go to school.
15. land on 落到……上；着陆
Eg：The plane will land on the island in five minutes.
16. 宾语从句：
(1) 定义：在主从复合句中，充当宾语成分的从句就叫做宾语从句。
(2) 位置：常在及物动词或介词之后。
(3) 引导词：
that 无意义，不充当任何成分，常可以省略；
if\whether表示“是否”，不充当任何成分，两者可以互换，但有or not时只能用 whether；
who\what\where\when\why等表示“谁”、“什么”、“哪里”、“何时”、“为什么”，分别 可以充当主语、宾语、地点状语、时间状语和原因状语，不可以省略。
(4) 语序：陈述句语序，即 “主语+谓语”
(5) 时态：
当主句为现在或将来时态时，宾语从句可以使用任何时态；
当主句为过去时态时，宾语从句可以使用过去的某种时态(一般过去时，过去进行 时等)；
当主句为过去时态时，宾语从句表示一种客观真理、事实时，用一般现在时。
Eg：I know (that) you met him yesterday.
He asked if I would come.
I don’t understand what you say.
He said there were no classes yesterday afternoon.
The teacher said that light travels faster than sound
