九年级英语新目标Unit_13_4c课件

I can’t afford ____ him an expensive birthday present. A. to buy B. buying C. for buying D. buy
【当堂检测】
• • • • • • • • • • • • • 1.The girl always has some money to ___ B. snacks. A. spend B. pay for C. take D. cost 2. (2013江苏淮安) It's getting dark. Please ________ the light. A. A. turn on B. turn off C. turn down D. turn around 3. (2013湖北随州) –How does Jack usually go to work? —He ______ drive a car, but now he ______ there to lose weight. A. used to; is used to walk B. was used to; is used to walking C. was used to; is used to walk D. used to; is used to walking 4. (2013湖北宜昌) —At present, one of the best ways to study is working in groups. —More chances _______ B to students to learn from each other. A. offer B. are offered C. have offered D. are offering
pay for 5. 付费__________________________
use public transportation 8. 负担不起做某事____________________ can’t afford to do sth. 7. 使用公共交通_______________________
3). What do you think of the ____________ transportation(交通）in China?
4). The Spring Festival is ____________ considered (认为是）the most important festival in China.
B．短语知新
take part in 1. 参加______________________ take action 3. 采取行动_____________________
instead of 2.代替 ______________________ turn off 4. 关掉_______________________ add up 6. 累加 ______________________
_________(consider) the biggest clean-up project this city _____ considered had ever
______ (have). had Joe : How many people ______ took (take ) part? Ken: I ______ to help out. think ( think) more than 1,000 people _____(come) came Joe : That’s fantastic! I guess everyone in this city is _____(try) to improve trying the environment. wait (wait) any longer to take action. Ken: Yes, we can’t afford to _____
No scientific studies have shown that shark fins are good for health. We should help savew the sharks.
Lead–in 4a. Have you ever take part in an environment project? How should you do to save the environment? We can ________________________________.
2. take reusable bags when you go shopping 3. turn off the lights when you leave the room 4. grow more plants 5. reduce the use of air conditions in summer …….
electricity 5). We can save ____________ (电）by turning off the lights when we leave a room.
语法总结
读 Grammar Focus 表格内的句子，理解每个句子所用的 时态、语态、情态动词及used to 结构。 Discuss in pairs/
4c. Make a list of things that people can do to help the environment and discuss. Groupwork.
1. use public transportation
A: I think that everyone should use public transportation B: I disagree. It’s difficult for parents with young children to use public transportation.
【合作探究】
1.Have you ever taken part in an environmental project? 你曾经参加过环 境保护活动吗？ 辨析：join, join in 和take part in join 加入组织，团体，党派等，有作为其中的一个成员的含义。后 面也可以加表示人的名词，表示和某人一起参加某活动。 加入一种具体活动。 指参加会议或群众性活动等，着重说明句子主语参加该项活动 并在活动中发挥作用。
4b.Fill in blanks with the proper modal verbs in the box.
have to may/might think that big things _______ must be done to save the People _________ can would could have to should must May /might earth. Many forget that saving the earth begins with small things. For should example,you ______save electricity by turning off the lights when you can could should leave a room.You _____also use reusable bags instead of plastic bags. can could I think it’s a great idea that you now _______pay for plastic bags have to should can in some stores, And instead of driving to school or work, you ______ could ride your bike or walk. If it’s far,you can/ ________ couldtake the bus. All these would small things can/ ________ add up and became big things that _______ could can could improve the environment. Let’t take action now!
【合作探究】
2.We can’t afford to wait any longer to take action! 我们不能再等了， 要采取行动了。 【解析】 1) afford是动词，意为―买得起,担负得起，通常与can, could, be able to连用,多用于否定句中。 They couldn’t afford $50 for a ticket. 他们拿不出50美元买一张票。 2) afford后面常跟带to的动词不式。 We can’t afford to go abroad this summer. 今年夏天我们没有足够的钱出国
① turn off the lights when… ② use the paper bags.. ③walk to school……
4a. Fill in blanks with the correct forms of verbs.
Joe: _______ Have you ever ______ taken (take ) part in an environmental project? Ken: Yes, I have. I _______ helped (help ) with a Clean-Up Day last year. It was
Unit13 We’re trying to save the earth!
Period 3 Section A (Grammar Focus-4c)
【课前准备】
A．短语温顾 1. 在河床底部______________________ the bottom of the river 2. 充满了垃圾_____________________ be full of rubish 3. 产生影响________________________ has an effect on 4. 听说 _____________________ hear of 5. 到目前为止________________________ 6. 对……有害_____________________ be harmful to so far 7. ……的数量__________________________ 8.给……带来危险__________________ the numbers of bring danger to 9. 不但……而且…______________________ not only… but also 10. 砍掉；割掉_____________________ cut off