人教版英語八年級下冊Unit-7-Section-B-(3a-Self-Check)精美課件

1、Unit 7 Whats the highest mountain in the world?Section B(3a-Self Check)Unit 7 Section B1. To learn the article in 2b2. To learn new words: bamboo, research, keeper, awake, excitement, illness, wild, government, oil, protection, huge1. To learn the article in 2bThey are huge animals.They live in the

2、sea.They can sing songs.They can jump high out of water.They are very clever and also very friendly.What are they?Can you guess what the animal is?GuessingThey are huge animals.Can you 鯨的體型是世界上存在的動(dòng)物中最大的，鯨是終生生活在水中的哺乳動(dòng)物，對水的依賴程度很大，以致它們一旦離開了水便無法生活，鯨形狀像魚，鼻孔在頭的上部，用肺呼吸。體長可達(dá)三十米，是現(xiàn)在世界上最大的動(dòng)物。 鯨的體型是世界上存在的動(dòng)物中最大

3、的，鯨是終生生活在水 鯨為適應(yīng)水中生活，減少阻力，它們的后肢消失，前肢變成劃水的漿板。身體成為流線型，酷似魚。因而它們的潛水能力很強(qiáng)，小型齒鯨可潛至100-300米的水深處，停留4-5分鐘，長須鯨可在水下300-500米處待上1小時(shí)，最大的齒鯨-抹香鯨能潛至千米以下，并在水中持續(xù)2小時(shí)之久。 鯨為適應(yīng)水中生活，減少阻力，它們的后肢消失，前肢變成Humans catch whales for meat, fat and oilEat small fish and other sea lifeJump high out of waterRules on whale protectionHugeWa

4、ter pollution12 3456Live in the seaSome kinds have teethLearn more about whalesStop putting rubbish into the seaSing songsWhale parts sold to make things like candles and soap7891011123aRead the following words and phrases about whales. Put them in the correct place in the chart.Humans catch whales

5、for meat, What do they look like？Where do they live?What do they eat?What can they do?Why do some of them have to be protected?How can we protected them?5 8723 111 6 124 9 10What do they look like？Where dWhales are They live inThey eat They canOne interesting fact is Another interesting fact is Some

6、 kinds of whales are in danger becauseWe should protect whales from I think people should/shouldnt 3bWrite a paragraph about whales and why they need to be protected. Use the information in 3a. Then make a poster.Whales are They live in3b Whales are huge animals. They live in the sea and eat small f

7、ish and other sea life. One interesting fact is whales can jump high out of water. Some kinds of whales are in danger because humans catch them for meat, fat, and oil, and use whale parts to make candles and soaps. Whales are also in danger from water pollution. We should protect whales by making ru

8、les on whale protection and by not putting rubbish into the sea. I think people should learn more about whales. Whales are huge animals. T英語中，awake常用于be, stay, keep, lie之后，作表語；但也可與shake等動(dòng)詞搭配，表示“某人搖醒他人”等。At 9:00 a.m., they find that most of the babies are already awake and hungry.You would have to sh

9、ake her awake.你得把她給搖醒。Language points英語中，awake常用于be, stay, keep, li另外，awake不與very搭配使用，表示“完全醒來；十分清醒”用fully awake，wide awake。He was wide awake by the time we reached my flat.等我們到達(dá)我的住所時(shí)，他已經(jīng)完全清醒過來了。注意：awake不用于名詞之前，因此用作定語時(shí)要后置。另外，awake不與very搭配使用，表示“完全醒來；十分清10 kilos of bamboo意為“10公斤竹子”，該結(jié)構(gòu)是不可數(shù)名詞量的表達(dá)法，其結(jié)構(gòu)為“

10、數(shù)詞+單位名詞+of+名詞”。單位名詞可以是單數(shù)，也可以是復(fù)數(shù)。spend (in) doing sth.意為 “花費(fèi)做某事”。They spent two years (in) building this bridge. 造這座橋花了他們兩年時(shí)間。Adult pandas spend more than 12 hours a day eating about 10 kilos of bamboo. 10 kilos of bamboo意為“10公斤竹子”，該1. Complete the chart.AdjectivesComparativesSuperlativeshighdangerou

11、slongpopularhigherhighestmore dangerousmost dangerouslongerlongestmore popularmost popularSelf Check1. Complete the chart.Adjectiv2. Match verbs and objects. Then add one more object to each list.VerbsObjects1. reacha. my life, my money, 2. achieveb. the top of a mountain, the library, 3. riskc. my

12、dream, success, 2. Match verbs and objects. Tha. my life, my money, my familyb. the top of a mountain, the library, the theaterc. my dream, success, good resultsa. my life, my money, my famil3. Circle the correct word and/or fill in the blank with the correct form of the word in brackets for each sentence.1. An elephant weighs (few /many) times more than a dog.2. An adult panda can eat (much / a little) more than a cat.3. Canada is a (little / lot) less _ (crowded) than China.4. A tiger is (much / a little) _ (strong) than a man.crowdedstronger3