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Lesson 4 An exciting trip
★New words and expressions
☆exciting adj.令人兴奋的
v.excite 激动->adj.excited ,exciting
-ed:自己感到；-ing：令人感到
如：interesting:令人感到有趣的；interested：感到有意思的
动词的宾语一定是人，让后面的人感到……
eg:The news excited me.
Rhe book interests me.
☆receive v.接受，收到
3个接受：
accept:同意接收，主观上乐意
receive（与have通用）：客观的收到 receive/have a
letter from sb
eg:This morning I received a bunch of flowers from a boy,but I
didn't accept it.
take:接受，与前两词无可比性，只需记住两个搭配：
take the exam;take advice
☆firm n.商行，公司
等同于company
☆abroad adv.在国外
注意是个副词，直接和动词连用，不需要介词
go/live/study abroad
★Text
I have just received a letter from my brother Tim.He is in
Australia.He has been there for six months.Tim is an
engineer.He is working for a big firm and he has already
visited a great number of different places in Australia.He ha
just bought an Australian car and has gone to Alice Springs,a
small town in the centre of Australia.He will soon visit
Darwin.From there,he will fly to Perth.My brother has never
benn abroad before,so he is finding this trip very exciting.
☆have been+in 地点
他已经到北京了：He has arrived in Beijing.
他到北京一年了，就不能用arrive了。因为arrive是表示点的动词，不能和段时间连用。所以用我们的新句型：have
been in 地点
He has been in Beijing for one year.
☆work in 强调工作的地点
work for 强调work，不是在游逛，是在工作
☆a great number of后面一定要加可数名词复数
a lot of可加可数名词也可加不可数名词
它们是约等于的关系
I have a lot of/a great number of friends.
I have a lot of time.中的a lot of 就不能替换为a great
number of了
☆have gone to :去了某地没回来
have been to :曾经去过某地，现在不在那个地方
☆from there:从那地方起
from既可以加时间又可以加地点
eg:from half past 8 to half past 11
from Beijing to Tianjin
☆fly to Perth=go to Perth by air
☆before用在句子的末尾是副词，翻译为“在此之前”，是现在完成时态的标志。
☆find+宾语+形容词做宾补
find trip exciting;find the room clean
注意，在本句中用的是find的进行时态。
在收听外台的广播中经常能听到find不用一般式，而用进行式。
eg:We're finding the program very exciting.
在写的时候用一般式，口语就用进行式
下面表示状态、感觉、情绪、精神活动的动词不可用于进行时态：
believe doubt see hear know understand belong think consider
feel look seem show mind have sound taste require possess care
like hate love detest desire
★第3课关键句型：一般过去式。
第4课关键句型：现在完成式。
第5课将总结一般过去式和现在完成式的相同点、不同点，用的时候要注意声明。
下面的几个词已出现就标志着完成式：just,before,already
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