Unit 13 Part 1 Section A(课前) (课件PPT)-【宝典训练】2024-2025学年九年级全册英语高效课堂(人教版)

Unit 13　We're trying to save the earth! Part 1　Section A(课前) ——自主预习，扫清障碍 Section A 重点短语及目标句型预习。 1．It used to be so clean! 【释义】它曾经是那么干净！ 【精讲】used to do sth.过去常常做(现在不做了，只用于过去时态，表示过去的习惯) be used to doing sth.习惯于做某事，to是介词，后接动名词(v.－ing) 第 ‹#› 页 Part 1　Section A(课前) 返回首页 【运用】(1)我哥哥过去总是很早起。(现在不这样了)My brother _____________ (get) up early. (2)他习惯饭后散步。He ____________________ (take) a walk after dinner. used to get is used to taking 第 ‹#› 页 Part 1　Section A(课前) 返回首页 2．To cut down air pollution, we should take the bus or subway instead of driving. 【释义】为了减少空气污染，我们应该乘坐公共汽车或者地铁，而不是开车。 【精讲】cut down减少，砍伐；cut off切断；cup up切碎；cut in插队；cut out 删除 【运用】(1)你最好能把这篇文章减少到两千个单词左右。 You'd better _____ the article ______ to about 2，000 words. (2)他们砍倒了很多大树。They __________ many big trees. cut down cut down 第 ‹#› 页 Part 1　Section A(课前) 返回首页 3．Bike riding is good for health and it doesn't cost anything! 【释义】骑自行车对健康有好处，它并不花费任何成本！ 【精讲】cost v. 花费；使付出；使花许多钱 第 ‹#› 页 Part 1　Section A(课前) 返回首页 【运用】辨析：spend, cost, take, pay (1)物＋cost＋金钱 这件大衣花费了我200元。The coat ______ ____ 200 yuan. (2)人＋spend＋时间/金钱＋(in) doing sth./on sth. Tom 花了半个小时做英语作业。 Tom _______ half an hour ____ his English homework. cost me spent on 第 ‹#› 页 Part 1　Section A(课前) 返回首页 (3)It takes/took sb.…to do sth. 上班花费他15分钟。It _______ him 15 minutes ____ ____ ____ ______. (4)人＋pay/paid＋金钱＋for…为……支付…… 我花了20美元买这双鞋。I ______ 20 dollars _____ this pair of shoes. takes to go to work paid for 第 ‹#› 页 Part 1　Section A(课前) 返回首页 4．So far, no scientific studies have shown that shark fins are good for health. 【释义】到目前为止，还没有科学研究表明，鱼翅对健康有好处。 【精讲】so far 到目前为止，与现在完成时连用；放在句首或句尾均可，强调现在状态。 【运用】到目前为止，我已经完成了大部分工作。 So far, I _______________ (finish) most of the work. have finished 第 ‹#› 页 Part 1　Section A(课前) 返回首页 5．This is not only cruel, but also harmful to the environment. 【释义】这不仅残酷，而且对环境也有害。 【精讲】not only…but also… 不仅……而且……； 动词变化遵循就近原则。 【运用】不只是你，他也得离开。Not only you but also he ______ ____ leave. has to 第 ‹#› 页 Part 1　Section A(课前) 返回首页 6．We can't afford to wait any longer before taking action! 【释义】我们不能再等了，要采取行动了。 【精讲】afford v．给予，提供，买得起；can/could afford to do sth.负担得起；买得起 【运用】今年夏天我们没有足够的钱出国。 We __________________ go abroad this summer. can't afford to 第 ‹#› 页 Part 1　Section A(课前) 返回首页 Section A知识点精练。(精选6题) (　　)1．After dinner, he used to ________ computer games, but now he gets used to ________. A．play; walk B．playing; walking C．play; walking D．playing; walk (　　)2．Our country is taking action to ________ air pollution. A．cut down B．cut up C．cut out D．cut off C A 第 ‹#› 页 Part 1　Section A(课前) 返回首页 (　　)3．Before stamps, people didn't ________ for the letters they sent, but for the letters they received. A．pay B．cost C．spend D．take (　　)4．My friend's new restaurant in Wanda Plaza (万达广场) opened two years ago, but I ________ there so far. A．didn't go B．haven't gone C．haven't been D．didn't go to A C 第 ‹#› 页 Part 1　Section A(课前) 返回首页 (　　)5．－What film do you like best? －The Martian. It ________ shows a lot of imagination, ________ has a sense of humor. A．too; to B．neither; nor C．either; or D．not only; but also (　　)6．I am afraid we can not ________ to take a taxi.Let's go by underground instead. A．refuse B．afford C．forget D．fall D B 第 ‹#› 页 Part 1　Section A(课前) 返回首页 Section A－3a阅读后请回答以下5个问题。 1．Where is shark fin soup especially popular? ___________________________________________________________ 2．What do people do with the sharks when they catch them? ____________________________________________________________ Shark fin soup is especially popular in southern China. They cut off the sharks' fins and throw them back into the ocean. 第 ‹#› 页 Part 1　Section A(课前) 返回首页 3．Why do many people think sharks can't be endangered? ____________________________________________________________ 4．How many sharks are caught every year? __________________________________________________ 5．Who are teaching the public about “finning”？ ____________________________________________________________ Because they think sharks are the strongest in their food chain. Around 70 million sharks are caught every year. Environmental protection groups like WildAid and the WWF. 第 ‹#› 页 Part 1　Section A(课前) 返回首页 语法选择。 My father told me that there used to be a forest near our town. But the farmer who owned the forest 1 trees every year until one year, there were no trees left. (　　)1．A．cut up B．cut in C．cut down C 第 ‹#› 页 Part 1　Section A(课前) 返回首页 One day, our teacher took us out and we had a lesson in the field where the forest used 2 . One of my 3 told us what he thought about the change. “It makes me really sad 4 that a forest has disappeared. My parents have taught me to 5 think seven generations (七代人) in the future. That's to say, when we do something to the land, we should never hurt it. We must care about nature and leave it 6 for later generations.” 7 we heard what he said, we kept silent first. “Let's plant some trees！” said our teacher after a moment. “It will be 8 good start！” So that's what we did. For the rest of the spring, we worked hard and we planted 9 trees. 第 ‹#› 页 Part 1　Section A(课前) 返回首页 (　　)2．A．be B．to be C．being (　　)3．A．classmate B．classmates C．classmates' (　　)4．A．learn B．learning C．to learn (　　)5．A．sometimes B．always C．seldom (　　)6．A．enough good B．good enough C．well enough (　　)7．A．If B．Although C．When (　　)8．A．a B．an C．the (　　)9．A．ten thousands B．thousands of C．thousand of B B C B B C A B 第 ‹#› 页 Part 1　Section A(课前) 返回首页 That was five years ago. Today, when I stand in that field which was once empty, I see trees about as 10 as I am. I'm great to see how we've changed the field. It taught us the power of thinking about the future. (　　)10．A．tall B．taller C．the tallest A 第 ‹#› 页 Part 1　Section A(课前) 返回首页 本节内容到此结束！ logo $$