-
基础知识：
、
短语
in
相信、信任
of
成千上万的
up
醒来
quiet
保持安静
of
因为
fear
恐慌地、害怕地
site
降落地点
soon as
possible
尽快
with
同意、赞成
with
不同意
out of
向
...
外看
to
紧挨着
away
逃跑
the police
报警
midnight
在半夜
one
没人
about
了解
the
future
在将来
ship
母舰
to
和<
/p>
...
交谈
like
看起来像
piece of paper
一张纸
from
来自
a good idea
有一个好主意
the side of the
hill
山的一边
down
写下、记下
...to...
从
...
到
about
谈论
句型
sure to do sth
确信做某事
’
s do sth
咱们做某事吧
to do sth
拒绝做某事
sb doing sth
听见某人正在做某事
sb about sth
告诉某人某事
to do
（特殊疑问词
+
动词不定式）要做什么
+adj
保持
to do sth
尽力做某事
(
变化类系动词
)+adj
变得
......
happens to sb
某人发生了某事
...as
possible
尽可能
...
sb (not) to do sth
告诉某人（不要）做某事
doing sth
尝试做某事
语法：原因状语从句和
because
of
的用法
(1). Since
no one else saw these aliens, I refuse to believe
you..
(2). We went there
because I heard a loud noise last
night.
(3).
I
’
m unhappy because of your
marks in the exam!
句子（
1
）中含有
since
引导
的原因状语从句，句子（
2
）中含有
b
ecause
引导的原因状语
从句，句子（
3
）中含有
because
of
短语。
,as,since
这几个词都表示“因为”
，语气由强到弱
依次是
because>since>as
，这几个词都是从<
/p>
属连词。
(1)because
表示直接原因，它所指的原因通常是听话人所不知道的，其语气最强。常用来回
答
why
所提出的问句，一般放在主句之后，也可以单独使用。
I stayed at
home because it was raining.
(2)since
侧重主句，
从句表示仙人的或已为人所知的
理由，
常常翻译为
“既然”
，
语气比
because
稍弱，通常位于句首。
Since every is here,
let
’
s start.
(3)as
是常用词，它表示的是双方已知的事实或者显而易见的原因。
含义与
since
相同，但语
气更弱，没有
since
正式，常翻译为“由于、鉴于”
，从句说明原因
，主句说明结果，主从
并重。
We all like her
as she is kind.
of
是介词短语，其后可接名词、代词或者动名词以及由关系代
词引导的从句。
He lost his job because of his
age.
语法专练
1. Tony
never spends money buying books _______ he
doesn
’
t like
reading.
do you like
English
---it is
very interesting.
A.
Though
B. Because
C.
Because of
D. But
3. We
can
’
t go camping _____ the
bead weather.
of
She/she
didn
’
t go to see her father
______ she was very busy yesterday.
A. Because;so
B. So;because
C. /;so
D./;because
everyone is here,
let
’
s start to have a
meeting.
A. Because of
B. Since
C. But
D. Or
6. He
couldn
’
t catch the early bus
______ he got up late.
of
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