海洋里的生物从微小的浮游生物到巨大的动物.ppt

Language points,1.Life in the oceans ranges from the tiniest plankton all the way up to giants like shakes and whales. 海洋里的生物从微小的浮游生物到巨大的动物，如鲨鱼和鲸鱼，都无所不包。 range fromto 从到之间变化 e.g. Their ages range from 12 to 25. Prices range between 30 and 50 yuan. There are 200 boys ranging from 7 to 14 in age. Prices ranged from 5 dollars to 10 dollars.,2. all the way 从头到尾；一直，一路上；从远道而来 e.g. All the way back, they talked about the persons and things that they could remember at school. It is very kind of you to come all the way to see me.,3. The nutrients in whatever falls into the ocean quickly became available to other living things.,通过任何渠道进入海洋的营养物质都能很快被其他生物所利用.,whatever引导名词性从句,相当于 anything that,1.It is not wise to give children whatever they want. (宾语从句) 2.Whatever do is for your good.(主语从句) 3.Take whatever you want.(宾语从句),注意: whatever 引导名词性从句时,不能用no matter what代替,拓展：引导状语从句时，,no matter what=whatever no matter who=whoever no matter where= wherever no matter when=whenever no matter how=however,1)不管发生什么事，我们都决心完成任务。,Whatever happens, we are determined to complete the task.,=No matter what happens,2)无论你什么时候来，我们都欢迎。 3)无论谁触犯了法律，他最终都会受到惩罚。,No matter when you come ,you are welcome.,=Whenever you come,No matter who breaks law, he will be punished in time.,=Whoever breaks law,4.Marine animals and plants take advantage of the density of water.,海洋动物和植物利用了水的密度的特性., take advantage of e.g. I took advantage of the fine weather to play tennis. (利用机会) He often took advantage of her trustfulness. (利用别人的弱点或处境), have an advantage over 在某方面比较有利 e.g. You see, you have an advantage over me you can make a dress.,5.Most animals are sensitive to large or sudden changes in temperature. 大多数动植物对于温度的巨变或突变都是很敏感的 sensitive adj. 敏感的,灵敏的(to) ；容易生气的(about) e.g. She is sensitive to the smell of smoking. The child is sensitive to eggs. 那个孩子对鸡蛋过敏。 He is sensitive about his failure. 人家一提到他的失败，他就生气。,6. Water can absorb and give off a lot of heat without big changes in temperature, thus creating a stable environment. 海水可以吸收或释放出大量的热量而其温度不会 变化很大, 因此, 能创造一个稳定的环境., absorb 吸收(水、热、光、知识、学问等) be absorbed by 被吞并/为所吸收 be absorbed in 全神贯注于，热衷于 absorb ones attention = attract ones attention e.g. Black cloth absorbs heat. Cotton gloves absorb sweat. So many good ideas! It is too much for me to absorb all at once. I was absorbed in a book and didnt hear your call., give off 发出，放出(蒸汽、气味等) give out 分发 e.g. Give the money out to the children. 把钱分给孩子们。 The flowers give off a sweet fragrance (香味).,7. call in vt.召集,召来；下令收回 e.g. The old man called in the young men in the village to defend their motherland. The library has called in all the books.,8. agree on 对意见一致; agree with sth. 与一致；相符合 agree with sb. 同意某人的话；适合某人 e.g. At last we agreed on the date of the meeting. The weather here doesnt agree with me. Your story agrees with what I heard.,9. benefit 1) vt. “对有利”, e.g. Exercises benefit our health. Your advice benefited m