Unit 15 We’re trying to save the manatees

unit 15 we’re trying to save the manatees
直擊課標要求
1. 語言目標
debate an issue
2. 重點詞匯
save gentle furry enormous playful aggressive gray spotted african strong mangrove swamp  habitat  aquatic  feed  underwater  vegetation  foot  weigh  pound  against suitable  tiny  cage  educate  public  urge  recycle  stuff  material  pull bottle glue  roof  discard  tile  fence can inspiration spare  politely  environment
care for   pull down    be made from
3. 關鍵句型
we’re trying to save the manatees! 
i am like this animal…
they’re about 10 feet long and they weigh about 1, 000 pounds.
i don’t think so.
i disagree with you.
recycling paper is easy.
but it’s hard to stop riding in cars.
4. 語法
復習現在進行時，一般現在時，一般過去時及used to的用法，被動語態和現在完成時。

課前學習提示
一、詞匯
1. save [seiv]vt. &vi. 搶救, 節省, 儲蓄, 顧全。
【例】 （1）the doctors tried their best to save the patient’s life.
大夫們盡力搶救這個病人。
（2）your kind help saved me a lot of trouble.
你好心的幫忙省了我很多麻煩。
（3）every month they have been trying to save 10 percent out of their monthly pay, so that in time they’ll be able to buy a computer.
他們每月把百分之十的工資儲蓄起來，準備買一臺電腦。
（4）he said that just to save his face.
他這么說只是為了保全面子。
2. feed [fi:  d] n. 飼料，牧草。作動詞用表示“喂食物，供給”等意思。
【例】（1）there is enough feed for the animals.
動物的飼料足夠。
（2）he feeds his horse on beans.
他用豆子喂馬。
（3）the lake is fed by four big rivers.
有四條大河流入這個湖。
（4）the bird refuses to feed.
這只鳥不肯吃食。
（5）the stream feeds into a pond.
這條小溪流入一個池塘。
3. foot [fut]n. 英尺，腳，腳步，底部，它的復數是feet。它可作動詞用。
【例】  （1）she has never set foot on american soil.
她從來沒有到過美國。
（2）he has a light foot.
他腳步輕快。
（3）the village lies at the foot of a green hill.
村莊坐落在青蔥的小山腳下。
（4）the road is twenty feet long.
這條路有二十英尺長。
（5）we missed the last bus and had to foot it.
我們誤了最后一班車，只好步行。
（6）they told me to foot up the account.
他們叫我結賬。
（7）he footed the bill for us all.
他替我們大家付了賬。
（8）the expenses footed up to four hundred canadian dollars.
全部費用共計四百加拿大元。
4. weigh [wei]vt. & vi. 稱……重量，考慮，重壓，有影響等。它的名詞是weight。
【例】 （1）she weighed two apples in her hand and gave me the bigger one.