九年级Unit13 SectionA 3a--4c.ppt

1、,Section A 第三课时(3a -4c),Unit 13 Were trying to save the earth.,shark n.鲨鱼,fin n. （鱼）鳍,cruel adj. 残酷的；残忍的,harmful adj.有害的,3a,Read the passage about sharks and complete the fact sheet below.,1. Many people do not realize they are killing a whole shark _ they enjoy a bowl of shark fin soup. 2. Sharks a

2、re at the top of the food chain, _their numbers drop, the oceans ecosystem will be in danger.,when,so,3b,Read the passage again and fill in the blanks with the words in the box.,3. Many think that sharks are too strong to be endangered, _ they are wrong. 4. _ there are no scientific studies to suppo

3、rt this, a lot of people believe that shark fins are good for health. 5. Sharks may disappear one day _ we do not do something to stop the sale of shark fins.,but,Although,if,Grammar Focus,Joe: _ you ever _ (take) part in an environmental project? Ken: Yes, I have. I _ (help) with a Clean- Up Day la

4、st year. It was _ (consider) the biggest clean-up project this city _ ever _(have). Joe: How many people _ (take) part?,Have,taken,help,considered to be,had,had,have taken,4a,Fill in the blanks with the correct forms of the verbs in brackets.,Ken: I _ (think) more than 1000 people _ (come) to help o

5、ut. Joe: Thats fantastic! I guess everyone in this city is _ (try) to improve the environment. Ken: Yes, we cant afford to _ (wait) any longer to take action!,think,have come,trying,waiting,4b,Fill in the blanks with the appropriate modal verbs from the box.,People _ think that big things _ be done

6、to save the earth. Many forget that saving the earth begins with small things. For example, you _ save electricity by turning off the lights when you leave a room. You _ also use reusable bags instead of plastic bags. I think its a great idea that you now _ pay for plastic bags in some stores.,may,m

7、ust,can,can,have to,And instead of driving to school or work, you _ ride your bike or walk. If its far, you _ take the bus. All these small things _ add up and become big things that _ improve the environment. Lets take action now!,could,can,might,can,I think that everyone should use public transpor

8、tation.,I disagree. Its difficult for parents with young children to use public transportation,4c,Make a list of things that people can do to help the environment and discuss your list with your partner,1. Save the Sharks! save作动词，意为“救，拯救”，后常跟介词from。 如：He saved the boy from the big fire. 他从大火中救出了那个男

9、孩。 The dog saved the girls life. 那只狗救了女孩的命。,Language points,拓展：save作及物动词，意为“储蓄，贮存；节省”。 如：She saved her strength for the last minutes of the race. 她保存体力，准备在比赛的最后几分钟冲刺。 save作不及物动词，意为“节省；存钱；贮存物品”。 如：Some animals save for the future. 一些动物为未来之需储存食品。,Language points,1.(2014潍坊) - Are Betty and LingLing sti

10、ll living in Beijing? - No, they _ to Qingdao. A. will move B. are moved C. have just moved D. move 2. (2014黔西南) I _ my homework for a long time, I really miss it. A. left B. went away from C. have left D. have been away from,C,D,3.(2013福建泉州)- If we take a shower instead of bath, more water _. - I agree with you. A. has saved B. can save C. can be saved 4. I was _ in the