本句中的 longest与课文前几段中出现的narrowest,saltiest,deepest一样,都是形容词的最高级形式。因为这几个词是单音节词或是以元音结尾的双音节词,所以,最高级的构成是在词尾加-est.对于大部分两个音节以上的形容词,最高级的构成是在形容词前面加most.
rise 是一个不及物动词,在句子中的意思是“升起;隆起”。
1) rise 不及物动词 (起立;上升,高耸;浮现)
The old lady rose to her feet when she heard the doorbell.
The tower rises to a height of 70 feet.
An idea rises in my mind.
2) raise 及物动词 (举起;养育;提高;召集)
If you have any questions, please raise your hands.
When Father was in the army, Mother had a hard time raising three children.
The management promised to raise the workers' salary after the negotiation.
He failed to raise the money for his father's heart operation.
3) arise 不及物动词 (升起;出现;由…引起)
Heavy smoke arose beyond the mountain.
New problems arise when old ones are solved.
4) arouse 及物动词 (唤醒;激起,引起)
The noise outside aroused him from sleep.
floor在句子中的意思是“海底”。在其他语言环境中,floor当然有其他的意思。如;
1) He lives on the seventh floor.(他住在7楼。)
2) The wood floor gives a feeling of warmth in the winter. (冬天时,木地板给我温暖的感觉。)
3) He was given the floor at the meeting.(他在会上得到了发言权。)
12. Several hundred miles eastward from Florida there is a part of the ocean called the Sargasso Sea.
called the Sargasso Sea 是修饰ocean的定语从句,在其前省去了which is.
13. In the days of sailing vessels the crew were afraid they would be becalmed here. Sometimes they were.
crew是一个集合名词,指“全体船员”,后面的谓语动词可以用单数也可以用复数,此句中谓语动词用的是复数were,因为从句子中可以推断出是许多vessels(船)上的船员。Sometimes they were.句子中省略becalmed.
14. The Atlantic furnishes much food for the people on its shores.
furnish sth For sb. 意思是“为…提供”,我们同样可以用furnish sb. with sth.来表达这个意思。
本课主要词组及句型
词组:
1. separate from 2. keep sb. from doing sth.
3. be unwilling to do sth. 4. between A and B
5. make sth unusual 6. so…that
7. dry up 8. on the average
9. rise from 10. furnish sth for sb.
11. pile up 12. from…to
句型:
A.定语从句:
1) The Atlantic is one of the oceans that separate the Old World from the New.
2) Ocean currents affect the climates of the land near which they flow.
B.表语从句:
1) One idea was that it reached out to “the edge of the world”。
2) Another idea was that at the equator the ocean would be boiling hot.
C.结果状语从句:
1) There is so much water in the Atlantic that it is hard to imagine how much there is.
2) We now have such fast ways of travelling that this big ocean seems to have grown smaller.
D.形容词的比较级和最高级:
1)The Atlantic is only half as big as the Pacific, but still it is very large.
2)It is more than 4,000 miles wide where Columbus crossed it.
3) Even at its narrowest it is about 2,000 miles wide.
4)Also, it is the world's saltiest ocean.
5) The deepest spot is near Puerto Rico.
E be one of+复数名词
The Atlantic Ocean is one of the oceans that separate the Old World from the New.
F it takes sb. some time to do sth.
It would take the ocean about 4,000 years to dry up.
地理名称
1.(七)大洲和(四)大洋
Asia (亚洲)Europe(欧洲) Africa(非洲)
North America(北美洲) South America(南美洲) Oceania (大洋洲)
the Antarctic(南极洲) The Atlantic(大西洋) the Pacific(太平洋)
the Indian(印度洋) the Arctic(北冰洋)
2.常用词
continent (大陆) continental shelf(大陆架)
subcontinent(次大陆) volcano(火山)
iceberg(冰山) mountain range(山脉)
delta (三角洲) waterfall(瀑布) gulf(海湾)
straits channel(海峡) coast line (海岸线)
beach(海滩)gulf(海湾)
Text B The Moon
短语表达
1. tie to(与…联系在一起;使束缚于…)
2. except for(除了…之外)
Your composition is well written except for some spelling mistakes.(除了几处拼写错误,你的文章写的不错)
3. be near to(靠近)
4. face towards(朝向)
5. keep…in mind(把…记在心里)
6. light up(变亮;使容光焕发)
7. reflect(反射)
8. … enough for sb. to do sth.(足以让某人做某事)
The room is big enough for us to have a dancing party. (这间房够大了,我们可以在里面开舞会。)
9. speak of(提到,说起)
10. otherwise(不然;另外的)
11. nothing but(仅仅,除了…之外没有什么)
There is nothing but a piece of bread in the cupboard.(食橱里除了一片面包什么也没有。)
语法讲解: 构词法(派生法,合成法,转换法)
派生法:通过加前后缀构成新词(常见名词,形容词,副词和动词的后缀,反义前缀及其他含义的前缀)
合成法:两个获两个以上的单词合成一个新词
转换法:词形不变,词性转化
参照课本第80页
巩固练习:
1.各种各样的:adj. various
2.诚实:n. honest
3.操作员:n. operator
4.想象力:n. imagination
5.消除:v. remove
6.失败:n. failure
7.普遍的:adj. widespread
8.独立的: adj. independent
9.农业的:adj. agricultural
10. 频繁地: adv. Frequently
责任编辑:小草