单元目标
1．了解澳大利亚的风土人情和历史，掌握如何学习和写作类似的介绍生的说明文的技巧和方法，能写出100词左右的介绍或说明文．
2．掌握表示“警告和禁止”的句型．
3．复习动词-ing形式作宾语补足语和状语的用法．
4．掌握下列句型：
Be careful!
Look out!
Take care!
Don’t throw your lighted cigarette ends out of the window．
You mustn’t smoke while you are walking around in the bush either．
5．对下列单词和短语应达到“听、说、读、写”的四会要求：
fix up look out take place be ht for
rather than．．．倍数的表达法 as + adj／adv + as
动词-ing形式小结
主动态、被动态一般式：doing being done
完成式Having done having been done（实际使用时用done代替）
完成进行式Having been done having been being done（罕见）
Realizing I had been defeated，I put the dough in the rubbish bin outside 此句为动词一ing形式的一般式作全句的状语．
I went on preparing the rest of the meal．此句为动词-ing形式的一般式作介词的宾语．
核心知识
1．go doing 去做某事（常指与娱乐、体育有关的活动）
go camping go swimming
go fishing go climbing
go hunting go dancing
另外还有：
go shopping go teaching
go farming go nursing 等
2．Look out，Be careful，Take care都是表示小心的意思，特别是look out，
别把它当做“向外看”来理解．
例MET1991
______! There’s a train coming．
A．Look out B．Look round C．Look forward D．Look on
答案：A
典型例题
讨论难点
1．______（finish） the meal，she turned on the TV to watch a cartoon pro-
（Workbook L．12 ）
答案是：having finished．根据句意，finish和turn这两个动作必定是有先后的，不会同时发生．
2．翻译：一些人建议到山的那边去看看．（Workbook L．9）
译文：Some people suggested going beyond the mountain to have a look．suggest后直接跟上动词，该动词应用它的-ing形式．
剖示考点
1．NMET 1992
The salesman scolded the girl caught ______ and let her off．
A．to have stolen B．to be stealing
C．to steal D．stealing
该题的考点为动词-ing形式作宾语补足语，属于catch sb doing sth．的用法，为了便于理解，本句可分解成The girl was caught和The salesman scolded the girl and let her off．两个句子．其中过去分词短语caught stealing可理解成定语从句who was caught stealing因此，本题答案为D．
同样的例子还有：
The missing boys were last seen ________near the river．
A．playing B．to be playing C．play D．to play
答案为A．
2．NMET 1998
Mary is too impatient to be ______ for the work of a nurse．
A．fit B．unfit C．fit to D fitting
be fit for译为“适合（某种目的、用途）”，或“有能力胜任某工作、职务”．be suitable for译为“适合（某种环境、情况或特殊需要）．
本题答案为A．
请看下面例句：
This coat is fit（合身）but not suitable（合适）for me．
3．NMET 1990
After the new technique was introduced，the factory produced ________ tractors in 1988 as the year before．
A．as twice many B．as many twice
C．twice as many D．twice many as
该题的考点是倍数的表达，倍数词应放在比较结构前面，因此，答案为C．
【关于“Unit3 Australia”的常见问题】
常见问题1: 高三英语 Unit3 Australia
问题：
-How did the children spend the whole night?
-They spent the whole night ______．
A．to watch TV B．watched TV
C．watching TV D．being watched TV
解答:
答案为A．spend常用于spend．．．（in）doing这个结构中，用以表示花时间做谋事，in可省略．
常见问题2: 高三英语 Unit3 Australia
问题：
As he entered the room，he found many books ______ scattered on the floor．
A．laying B．laid C．lain D．lying
解答:
答案为D．宾语book和它的补足语lie构成主动的关系，应用现在分词．近似词lie和lay的区分表
原形
过去时
过去分词
现在分词
词性
汉译
Lie
lay
Lain
Lying
vi
躺
Lay
laid
Laid
Laying
vt
安放
常见问题3: 高三英语 Unit3 Australia
问题：
Just then the rain came________．
A．poured off B．to pouring down
C．pouring off D．pouring down
解答:
答案为D．pouring down作为方式状语，修饰came，表示came的方式．She came here running，but I was standing laughing．