高三英语新课 Unit3 Australia知识精讲
一. 本周教学内容：
高三新课：Unit 3（II）—Australia
二. 知识总结与归纳：
1. It was probably once connected to South America, but the continents parated as the earth’s plates moved.
澳洲很可能曾经同南美洲连在一起，但是随着地球板块的活动而分离开了。
connect to / with ：与……有联系／连接
The child connected the moon with a fairy tale his grandma told him.
parate：分离 短语：parate…from….
2. Having been parated from other continents for millions of years, Australia has many pl
ants and animals that cannot be found anywhere el in the world.
因为澳大利亚同其他大陆已经分离了几百万年了，所以澳大利亚与许多动植物是世界其他地方找不到的。
Having been parated from other continents for millions of years：现在分词的完成式做原因状语。
Having put up the tent, they started to cook their supper.
3. One strange animals lay eggs yet feeds its young on its milk.
有一种动物很奇特，会下蛋，而又给她的幼崽喂奶。
lay egg：下蛋。lay的其他意思：摆放；把……归于
相关的短语：lay out：布置；安排；lay down：放下；lay aside：把……放在一边；l腌制豆角
ay off：裁员；lay the foundation of ….：奠定……的基础
feed sb. on sth. ：用……喂养；＝feed sth to sb.
feed on….：以……为食
In winter they feed the hors on hay and corn.
Chine people feed on rice chiefly.
You can feed the turnips to the rabbits.
其他短语：
feed …with…：用……补给……
be fed up with = be tired of…厌倦……
He fed the fire with some logs.
I have fed up with the boring meeting.
4. In area, it is approximately the same size as the USA（without Alaska） which, however, has more than fourteen times as many people.
澳大利亚的面积大致相当于美国（不含阿拉斯加）。而美国的人口却是澳大利亚人口的14倍多。
approximately：接近；近似于（指质量或数量）
His description of the event approximately to the truth but there were a few inaccuracies.
the same size as==as big as…
which, however, has more than fourteen times as many people非限定性定语从句修饰the USA。后面省略了as Australia.
more than fourteen times as many people倍数句型：
倍数＋as …as …
倍数＋形容词／副词比较级 than….
倍数＋表示比较大小，长度，重量等名词＋of ….
倍数＋that / tho of….
Tom is twice older than Jack.
Tom is twice the age of Jack.
Tom’s age is two times that of Jack’s.
5. The purpo of the fence is to keep out a type of wild dog called a “dingo”.
设置篱笆的目的是用来阻拦一种叫做dingo的野狗。
keep out：阻拦，不让……进来；使……置身于……之外
其他有关keep的短语：keep on doing：坚持／继续做；keep off：推迟；避开；挡住；keep sb. from doing：阻止某人做……；keep up：维持; keep up with：跟上
They clod all the windows to keep out the cold.
Keep off the grass.
He keeps on phoning me, but I really don’t want to speak to him.
The heavy rain kept them from going out.
6. Farms in the middle of Australia are usually so large that the farmers u motorbikes or helicopters for the task of rounding up the sheep or cattle.
澳大利亚中部的农场很大，农场主们得用摩托车或直升飞机来赶牛羊。
round up：聚拢，集中在一起。
The guide rounded up the tourists and hurried them back into the bus.
7. The climate is different depending on the area.
气候因地区不同而各异。
8. Outings are popular and most Australians are delighted to share a cold glass of beer or lemonade with a friend.
外出交流是很普通的事，大多数澳大利亚人都喜欢同朋友们一道享受一杯冰冻啤酒或柠檬汁。
be delighted to do….：高兴地去做……还可以与介词at / with / by 连用。
We were all delighted to receive your invitation.
She was delighted at the chance.
注意：delightful：令人愉快的
The news is delightful to us.
短语：to one’s delight ：令人高兴的是。
To his great delight, he pasd the examination with first-class honors.
【典型例题】
一. 单项选择：
1. The store had to ____ a number of clerks becau sales were down.
A. lay out B. lay off C. lay aside D. lay down
答案：B
分析：销售量下降，公司不得不暂时裁减一些雇员。lay out：布置；安排；lay down：放下；lay aside：把……放在一边；lay off：裁员
2. Television may be a splendid ____ of communication, but it prevents us from face to face communicating with each other.
A. medium B. recreation C. experience D. generation
答案：A
分析：电视是一个很好的交流媒介；但它也阻碍了我们面对面的交流。medium：媒体；recreation：娱乐
3. ______ the Internet is bridging the distance between people, it may also be breaking some home or will cau other family problems.
A. When B. While C. If D. As
答案：B
分析：尽管互联网促进了人与人间的交流，但它也可能破坏人们的家庭或引起其他的家庭问题。While：尽管。
4. It is reported that the United States us ______ energy as the whole Europe.
A. as twice B. twice as much
C. twice much as D. twice much
答案：B
分析：美国消耗的能源是全欧洲的两倍．
5. They still _____ each other over the question of pay.
A. differ B. differ from C. differ in D. differ for
答案：B
分析：他们在报酬问题上观点仍然不同。differ in：在……上不同。
6. _____ full pr穿心莲注射液
eparation, we decided to put off the meeting till next week.
A. We did not make B. Having not made
C. We had not made D. Not having made
答案：D
分析：由于没准备好，我们决定把会议推迟到下周。Not having made现在分词的完成式做状语。
二. 翻译句子：
1. 这些熊以这种特殊的树叶为生。
