大家下学期的学习已经过半，对于英语来说还是要多读多写多背。对于一些重点词汇更是要注意区分它的不同用法，为以后的学习打下坚实的基础。现总结第七单元的一些语法词汇知识点，希望对大家接下来的学习有所帮助。
1.prepare…for… 为……准备……
1). prepare sth.表示"准备......"，后接名词或代词作宾语。
My teacher was preparing the lessons when I came into the office.我进办公室时，我的英语老师在备课。
2). prepare to do sth.表示"准备做......"。
They were preparing to cross the river when it began to rain. 他们正准备过河，突然下雨了。
3). prepare for sth.表示"为......做准备"。
The students are busy preparing for the final exam.学生们正在准备期末考试
2.Up to
（1） up to +数量词 达到 （某数量、程度等）
A panda can live up to ___ to ____ years. 一只熊猫活____ 年到____ 年
up to 高达
（2）至多 I can take up to four people in my car.
（3）直到 （现在）Up to now , Tom has been very quiet.
（4） be up to sb. “由某人决定”
— Shall we go out or stay in ? — It’s up to you.
3.run over 撞倒
run -ran—run- running-runner 赛跑的人
短语
run after 追逐,追求
run away from 从……跑掉;逃避
run out (某物)被用完
run out of 用完(某物)
run into 无意间碰到,和……相撞
4.excite v "(使)兴奋"
excitement n 激动；兴奋
SHe told us an exciting story yesterday.（修饰物用exciting ）
Are you excited about going to Beijing? （修饰人用excited）
be excited about 对……感到激动
to one’s excitement 使某人兴奋的是
例：Everyone was _______when they heard the ______ news.
A．exciting，exciting B．excited，exciting C．exciting．excited
5.fall “落下，跌落，降落”，指在重力的作用下落下，或失去平衡而跌落
The leaves fall in the autumn.
注意
fall down强调的是“滑倒、倒下”，后接宾语时应加上介词from
The book fell down from the table to the floor.
短语
fall down 倒下
fall over 落在...之上, 脸朝下跌倒
fall off 下降, 跌落
fall over“向前摔倒、跌倒”
例：— What happened to Mare
— He fell ____ the bike ___ a snowy morning.
A.off; in B.down; at C.off; on
