高中英语 Unit7 Lesson3 The Sea World课件 北师大版必修3

Dolphins are one of (5 friendly) __ the friendliest creatures to man and ___________ often follow ships. Dolphins also have better a (6 good) _______ system of communication than other animals. the easiest They are (7 easy) ___________. Of all animals to train and are often the most popular (8 popular) ______________ animals in zoos and aquariums round the world.
4. 诸如not, never之类的否定词与形容词或副词 的比较级连用,表示最高级含义.意为:再没有 “比…更…的了”. e.g.: It is not a better idea. 这是再好不过的一个办法了。 I have never heard such an interesting story. 我从来没有听过比这更有趣的故事了。
Complete the text with the correct form of the worlds in brackets
• This is a story of a very big fish and a very small fisherman. Six-year-old Ben Wood is only height 100 centimetres tall in _____ (high), but he caught a fish which is 120 centimetres in length ____ (long). And the fish, at forty-one kilos, is ____ the biggest _________ (big) rainbow trout that any fishman have ever caught. An average rainbow trout length measure 90 centimetres in _______ (long), as much as and it can weight __________ (much) 30 kilos.
7. “not more+比较级+than”结构表示在程度上 „前者不如后者‟ e.g.: This book is not more interesting than that one. 这本书不如那本书有趣。 (相当于: The book is less interesting than that one.) 8. “形容词比较级+than+形容词”,意为:‟与其…倒 不如….‟ e.g.: Jack is much harder than clever. 与其说杰克聪明，倒不如说他学习用功。
5. “形容词+to”结构也可表示比较含义。 e.g.： 1.This kind of car is superior in quality to that. 这种汽车的质量比那一种好得多(superior to 意为：优于；胜过。) 2.Li ping is three years senior to Liu Gang. 李平比刘刚大三岁。(senior to意为：年长 于；资格老于；地位高于。) 6. “no+比较级+than”结构表示对两个比较对象都 进行否定(可由neither…nor…结构来改写)。 e.g.： I‟m no more foolish than you.我们俩都不傻。 (相当于Neither I nor you is foolish.)
9. would rather…than, prefer…to…, prefer to do…rather than… 这三个句型表示“宁愿…而不愿…;喜欢…胜过… 宁愿做…而不愿做…”含义。虽无比较级形式， 但表示比较级含义。e.g.: She would rather die than give in. 她宁死不屈。 He preferred to go out rather than stay home. 他宁愿出去也不愿呆在家里。 10. “The+比较级…，the+比较级…”.该结构意为 “越…，越…”。e.g.： The more difficult the questions are, the less likely he is able to answer them. 问题越难，他回答出来的可能性就越小。
1.“as+adj/adv+as或not so (as) +adj./adv.+ as.”句型。 该句型常用来描述两个比较对象的程度上的相似或 不同(即平时说的“等级比较和不等级比较”)。 e.g.： My computer is not so (as) expensive as yours. 我的电脑不如你的贵重。 2. “as many/few+可数名词复数+as”或 “as much/little(少的)+不可数名词+as”。 前者描述数目上的接近，后者描述量的相近。 e.g.： 1. You may borrow as many books as you can. 你能借多少书就借多少。 2. “Drink as much water as you can.” the doctor said to him. 医生对他说到：“你要尽可能的多喝些水。”
11. what有时也可以表示“比较”关系，说明两种事物的 相同或相似性。what的该种用法常用于书面语，用 来加强修辞效果，含有比喻含义，相当于as，意为 “好比…；正如…；就像…一样”。what的该类用法 共有3种情况： (1)A is to B what C is to D Twelve is two what twenty-four is to four. 十二比二就等于二十四比四。 (2)what C is to D, A is to B What food is to the body, a book is to the mind. 书籍对于思想犹如食物对于身体。 (3)what C is to D, that A is to B What the gun is to a soldier, that the pen is to a writer. 作家的笔犹如战士的枪。
课文中出现的比较级
• 1. It‟s three times as big as underwater • 2. They are less colorful than other fish but they move beautifully. • 3. You certainly won‟t find a noisier fish. • 4. They have a huge mouth and can eat fish as big as themselves
giant squid
deadliest killer in the sea
---- white
shark
Match these comments from visitors to the different areas of the aquarium. 1. „It was terrible! There are too many in the pool and I don‟t think they enjoy the show. I think it‟s cruel to them do tricks.‟ Aquatheatre 2. „How do they stop it from melting? It was great but I felt quite cold after a while.‟ Polar World 3. „On the one hand, we loved most of the attractions, especially the one for the children. On the other hand, I didn‟t think that the cafeteria was as good as it should be.‟ Discovery Pool 4. „I learned a lot. I mean, I didn‟t know that a fish could be noisy! However, I thought some of the other effects were less realistic.‟
Virtual Reality Voyage
Read to learn
• 1.Which fish use a light to attract food ? Anglerfish • 2.Which fish can make a loud noise ? Toadfish • 3.What kind of fish appear to fly in the water? Rays • 4. what kind of fish children can touch ? Crab, starfish and other smaller creatures • 5. which are the smallest fish in the world? Goby fish
3.“主语+比较级+than any other…”结构表示： 主语所描述的事物比其他任何一个都……比 较级形式表示最高级含义。 e.g.: Li Ming is much cleverer than any other student in their class. 李明是他们班中最聪明的学生。 注意：若比较范围不同，than后应用 “any+ 可数名词的复数形式+其他”。 e.g.: China is larger that any countries in Africa. 中国比非洲上的任何国家都大。