【正文】 因?yàn)楸Ｗo(hù)動(dòng)物就是保護(hù)我們自己。 要點(diǎn)： ，他們給猴子喂食，和老虎玩耍。m supposed to go home after school, finish my homework and go to bed at ten. A: What are you supposed to do when you meet your teacher? B: I39。 Unit 15 Section B Words amp。隨著經(jīng)濟(jì)的持續(xù)快速發(fā)展和生態(tài)環(huán)境的日益惡化，我國的瀕危動(dòng)物種類還會(huì)增加。絕對性是指瀕危動(dòng)物在相當(dāng)長的一個(gè)時(shí)期內(nèi)野生種群數(shù)量較少，存在滅絕的危險(xiǎn)。 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 。 2. 讓我們?nèi)ビ斡景伞? weight 還可用做名詞，重量。以 how 組合的疑 問詞組有很多，如： how old 詢問年齡 how often 詢問頻率 how long 詢問動(dòng)作持續(xù)的長短 how much 詢問質(zhì)量或者價(jià)錢 how far 詢問距離 how many 詢問數(shù)量 how soon 詢問過多久 3. …they weigh about 1,000 pounds, …… 他們大約重 1000磅。 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。 gray。 Expressions weigh pound discover polluted present progressive present simple infinitive passive 稱；稱 …… 重量 磅 發(fā)現(xiàn)；發(fā)覺 被污染的 現(xiàn)在進(jìn)行時(shí) 一般現(xiàn)在時(shí) 動(dòng)詞原形；不定式 被動(dòng)語態(tài) Let’ s go to the zoo. What animals can you see in the zoo? Write these words in the below. 1a Name: Description: gray gentle enormous furry brown aggressive spotted fast aggressive Name: Description gentle furry white and black aggressive fast playful furry noisy I am like this animal because I am strong and intelligent. I like water, and I like to eat vegetables. Can you guess? A manatee. 1b aggressive。Unit 15 Section A Words amp。 gentle。 fast。 如： He likes his father very much. 他很喜歡他的父親。 weigh 稱 …… 重量，測 …… 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。 3. 這些照片是去年在北京拍的。 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 。相對性是指某些瀕危動(dòng)物野生種群的絕對數(shù)量并不太少，但相對于同一類別的其他動(dòng)物物種來說卻很少；或者某些瀕危動(dòng)物雖然在局部地區(qū)的野生種群數(shù)量很多，但在整個(gè)分布區(qū)內(nèi)的野生種群數(shù)量卻很少。 改革開放以來，我國進(jìn)口了不少動(dòng)物，如灣鱷、暹羅鱷、食蟹猴、黑猩猩、非洲象等。 Expressions recycle built stuff pull glue roof discard tile 再循環(huán)；回收利用 build的過去式和過去分詞 原料；材料 拉；拖；拔 膠合；粘貼膠水 頂；屋頂；房頂 丟棄；放棄 瓦片；瓷磚 Words amp。m supposed to greet my teacher. Sample dialogue 2 A: What happened yesterday? B: I missed the bus.