【正文】 nd they weight about 1,000 pounds. Dialogue: Boy: Can you tell us about the manatees, please? Man: Sure. We’ re trying to save them. Boy: Why? Are they endangered? Man: Yes. There used to be a lot of manatees, but now there aren’ t very many of them. Tapescript Boy: Do you know how many there are? Man: At this point, there are only about 2, 500 in the . In 1927, it was discovered that they were endangered. Since then, the government has passed laws to protect them. Boy: Where do they live? Man: Their favorite habitat is the water under the trees in mangrove swamps. Tapescript Boy: And why are they endangered? Man: Some of the swamps have bee polluted. Also, there sometimes isn’ t enough food for all of them. As you can see, they’ re large. The average manatee is about ten feet long and weighs about 1, 000 pounds. They need about 100 pounds of aquatic feed a day. Boy: Aquatic feed? Man: Oh, that’ s underwater plants and vegetation. That’ s what they eat. A: 1_______________________? B: I’ ve just been to the natural museum. A: 2______________________? B: We saw a lot of endangered animals, like manatees, pandas, chimpanzees (黑猩猩 )and so on. A: 4______________? Where have you been What did you see Why B: Because people have done something bad to them and they’ re dying out. A: That’ s a really bad thing. But 5_____________________________? B: Yes, I think we can do something to help. We can tell people how important these animals are. A: I agree with you. Can we do something to help Explanation 1. I am like this animal because I am strong and intelligent. Be like=look like=be similar to 像，看起來(lái)像。 如： 他像他的父親。 He is like his father. = He looks like his father. = He is similar to his father. 這里的 like作介詞，意思為“像”， like 還可做動(dòng)詞用，表示“喜歡”， like（ doing） sth. 喜歡做某事。 如： He likes his father very much. 他很喜歡他的父親。 Mary likes playing volleyball. 瑪麗喜歡打排球。 2. How big are manatees? 海牛有多大？ How big... 詢問(wèn)體重。以 how 組合的疑 問(wèn)詞組有很多，如： how old 詢問(wèn)年齡 how often 詢問(wèn)頻率 how long 詢問(wèn)動(dòng)作持續(xù)的長(zhǎng)短 how much 詢問(wèn)質(zhì)量或者價(jià)錢(qián) how far 詢問(wèn)距離 how many 詢問(wèn)數(shù)量 how soon 詢問(wèn)過(guò)多久 3. …they weigh about 1,000 pounds, …… 他們大約重 1000磅。 weigh 稱 …… 重量，測(cè) …… 重量。如： He weighed the stone in his hand. 他用手掂了掂這塊石頭的重量。 The piece of meat weighs four pounds. 這塊肉重四磅。 weight 還可用做名詞，重量。 如： What is your weight？ 你的體重是多少？ 4. We’ re trying to save the manatees. 我們正在竭盡全力拯救海牛 . Try to do =try one’ s best to do 努力去做某事。 如： Every student should try to study hard in order to study in a university. 為了進(jìn)入大學(xué)學(xué)習(xí)，每個(gè)學(xué)生都應(yīng)該 努力學(xué)習(xí)。 1. 今天比昨天熱得多。 2. 讓我們?nèi)ビ斡景伞? 3. 這些照片是去年在北京拍的。 4. 我想我能與這些孩子相處得很好。 英譯漢。 It’ s much hotter today than yesterday. Let’ s go swimming. These photos were taken in Beijing last year. I think I can get on very well with these children. Grammar Focus Review 1. We’ re trying to save the manatees. 2. Manatees eat about 100 pounds of food a day. 3. In 1972, it was discovered that they were endangered. 4. Some of the swamps have bee polluted. 5. There used to be a lot of manatees. 現(xiàn)在進(jìn)行時(shí) 一般現(xiàn)在時(shí) used to+不定式 被動(dòng)語(yǔ)態(tài) 現(xiàn)在完成時(shí) Homework Go to Inter and find out some information about some rare animals. 瀕危動(dòng)物是指所有由于物種自身的原因或受到人類(lèi)活動(dòng)或自然災(zāi)害的影響 ， 而有滅絕危險(xiǎn)的野生動(dòng)物物種 。 從廣義上講 ， 瀕危動(dòng)物泛指珍貴 、 瀕危或稀有的野生動(dòng)物 。 從野生動(dòng)物管理學(xué)角度講 ， 瀕危動(dòng)物是指 《 瀕危野生動(dòng)植物種國(guó)際貿(mào)易公約 》 附錄所列動(dòng)物 ， 以及國(guó)家和地方重點(diǎn)保護(hù)的野生動(dòng)物 。 什么叫瀕危動(dòng)物