1、Unit5 Wild AnimalsTeaching aims：學(xué)習(xí)目標(biāo)學(xué)習(xí)掌握“because”和“because of”的用法。學(xué)習(xí)重點(diǎn)本單元語法學(xué)習(xí)難點(diǎn)掌握“because” 和“because of”的區(qū)別教具學(xué)具多媒體教育設(shè)備 ；講義 Part One預(yù)習(xí)作業(yè)&預(yù)習(xí)交流：語法回顧Exercise One1. If it _ (rain ) , my father _ (take ) me to school in his car next week . 2. Tigers _ (hunt ) for their own food if they _ (live) in the wil

2、d. 3. If wolves _ (be) in the wild , they _(live) as family groups. 4. If we dont help the wild animals in danger, they _ (die) soonExercise Two與if 同樣用法的有until ,as soon as ,when after .1. Please let me know as soon as you _ (arrive) here tomorrow.2. He _ (not go) to bed until his father comes back.3

3、. He will go back home when he _ (finish) the work.4. He came to see me as soon as he _ (arrive) here yesterday.5. He _ (not go) to bed until his father came back.6. When the duck grew up, it _ (grow) into a beautiful swan.Exercise Three1.我見到他時(shí)，我會(huì)把這個(gè)消息告訴他的。I will tell him about the news_ I meet him.

4、2他一到江陰，就會(huì)打電話給你的。He will call you _he arrives in Jiangyin.3我要等到媽媽回來我才會(huì)出去。I wont go out _my mother comes back.5. 如果你不認(rèn)真學(xué)習(xí)，你就不能通過這次考試。6.如果你要離開，別忘了關(guān)燈。Part Two交流展示&點(diǎn)撥提高：A. 小組合作學(xué)習(xí)because 是連詞，其后接句子；because of 是復(fù)合介詞，其后接名詞、代詞、動(dòng)名詞、what 從句等。如： I didnt buy it because it was too expensive. 我沒有買是因?yàn)樗F了。 He is her

5、e because of you (that). 他為你(那事)而來這里。 He lost his job because of his age. 由于年齡關(guān)系他失去了工作。 He knew she was crying because of what he had said. 他知道她哭是因?yàn)樗f的話。 注意：because of 之后可接 what 從句，但不能接 that 從句或沒有引導(dǎo)詞的句子。如： 他因病未來。 誤：He didnt come because of he was ill. 誤：He didnt come because of that he was ill. 正：He

6、 didnt come because he was ill. 正：He didnt come because of his illness. 從用法上看 because 所引導(dǎo)的從句除用作原因狀語外，還可用作表語。如： It is because he loves you. 那是因?yàn)樗麗勰恪?而復(fù)合介詞 because of 所引導(dǎo)的介詞短語通常用作狀語而不用作表語。Exercise 1. Li Ming didnt go out for a walk because of the rain.Li Ming didnt go out for a walk because it _ _.2.

7、Li Ming wont go to the meeting because he is ill.Li Ming wont go to the meeting because of _ _.B. 自我鞏固學(xué)習(xí)because 意為“因?yàn)椤?，用來表達(dá)原因。后面接句子，回答以why提問的特殊疑問句。Xi Wang had to look after herself because her mother had another babyWhy did Xi Wang have to look after herself? Because her mother had another baby.Exer

8、cise One 選用 because 或 because of完成下列句子。 1 I went to school late this morning _ I got up late. 2 I didnt go to the zoo last week _ bad weather. 3 Daniel wears glasses _ too much computer work.4. I didnt go to the zoo _ the hot weather.5. Many animals live in rainforests _ there is lots of food. 6. Am

9、y run the other way_ she saw a snake. 7.Birds can fly very high _their wings(翅膀).Part Three 檢測(cè)反饋：1 I didnt go hiking because of the heavy rain. I didnt go hiking _ _ _ _. 2 She has poor eyesight because she does too much homework. She has poor eyesight _ _ _ _ _.3. _ it was blowing strongly, Millie

10、closed all the windows.4. Little Peter ran to the big tree _ the heavy rain.5. Amy often goes to Beijing Zoo _ she likes animals very much.6. Pat has poor eyesight _ working on the computer too much at night.7. The airport is closed _ the bad weather.預(yù)習(xí)作業(yè) 完成書上練習(xí)。學(xué)案答案：語法回顧Part OneExercise One1.rains,

11、 will take 2. will hunt, live 3. are, live 4. will dieExercise Two1. arrive 2. wont go 3. finishes 4. arrived 5. didnt go 6. grewExercise Three1. when 2. as soon as 3. until 4. If you dont work hard, you wont pass this exam.5. If you want to leave, dont forget to turn off the lights.Part TwoA. 1. was raining 2. his illnessB. 1. because 2. because of 3. because of 4. b