1、Unit 4 Journey Across a Vast Land figure out the structure of the passage and learn about a rail journey across Canada； judge the writing style and the intention of this passage;express your ideas on the given topics through critical thinking.目标MENULeading-inWhile-classAfter-classPart.1 Leading-inPa
2、rt.1 Leading-in1.What do you know about rail journeys?Rail journeys used to take a long time people often took them because they were cheaper than flying. However，now with high speed rail，they are much shorter， but also more expensive. 2. What do you think you will see if you go on a rail journey ac
3、ross Canada ?I would expect to see beautiful mountains and lots of pretty scenery. Part.2 While-classPart.2 While-class1 rather than 而不是；与其，不愿（用于连接两个并列成分） These outdoor clothes are comfortable rather than pretty. 这些户外服装舒服，但并不漂亮。 Mammals multiply by giving birth to babies rather than laying eggs. 哺乳动
4、物的繁殖是通过产崽而非产卵。 He decided to rely on himself rather than seek help from his friends.他决定靠自己而不向朋友求助。【误区误区】（1）rather than 连接两个不定式时，第二个不定式的 to 可以省略。但是 rather than 位于句首时，跟不带 to 的不定式。（2）rather than 连接两个并列成分作主语时，谓语动词应与 rather than 前面的成分在人称和数上保持一致。 You rather than I are going camping. 要去野营的是你，而不是我。2 arise v
5、i. 起身；出现；由引起（arose，arisen）搭配搭配：arise from 由引起；因产生The outstanding astronomer is used to arising early.那位杰出的天文学家习惯早起。 We will keep you informed if any new proof arises.如有新证据出现，我们会随时通知你们。 His disease arose from a virus infection.他的病是由病毒感染引起的。 3 breath n. 呼吸的空气take sb.s breath away 令人惊叹hold ones breath
6、屏住呼吸out of breath 喘不上气take a deep breath 深呼吸 I took a deep breath and started climbing the mountain. I was out of breath when I arrived at the top of the mountain. But it was worthwhile because the scenery took my breath away. I mean，the scenery was really breathtaking. 我深呼吸，然后开始爬山。当我到达山顶的时候我已经喘不上气了
7、。但这一切都值得，因为风景令人惊叹。我的意思是，风景真是令人叹为观止。【词语积累词语积累】breathe v. 呼吸 breathtaking adj. 令人惊叹的 The air was so cold that we could hardly breathe.空气非常寒冷，我们难以呼吸。4. bound adj. 准备前往（某地）；一定会bound for 准备前往 be bound to 一定会；有义务 / 有责任She was on a plane bound for Rome when she got sick. 她犯病时正在前往罗马的飞机上。 These two young mus
8、icians are bound for international success.这两位年轻的音乐家一定会蜚声国际。Wars are bound to cast a shadow on people all over the world.战争必定会在世界人民的心上留下阴影。We are bound to cut back on spending. 我们必须削减开支。5 drill v. & n.（1）vi. & vt. 钻（孔）；打（眼）搭配搭配：drill for oil / water / gas 钻井探油 / 水 / 气The workman is drilling in the w
9、all. 工人正在墙上打孔。We had to drill down 200 feet to find water.我们只好往地下钻两百英尺找水。（2）n. 钻（头）；训练；演习 搭配搭配 an electric drill 电钻 a fire drill 消防演习Jack used a drill to make a hole in the wall.杰克用钻头在墙上钻孔。You should finish your English grammar drills in the class.你应该在课堂上完成英语语法训练。There will be a fire drill this morn
10、ing. 今天上午有消防演习。6 freezing adj. 极冷的；冰冻的 n. 冰点 freezing point 冰点 freezing cold 严寒；相当冷 a freezing winter 寒冷的冬季 above/below freezing 冰点以上 / 以下The little boy refused to participate in the morning exercise because of the freezing weather. 因为天气寒冷，那个小男孩拒绝上早操。 Its very cold today；the temperature has dropped
11、to freezing point.今天很冷，温度降到了冰点。【归纳拓展归纳拓展】（1）nearly freeze to death 差点冻死 freeze wages 冻结工资 freeze with horror 吓呆了 freeze up（突然）呆住 sb.s blood freezes 某人血液凝固（2）frozen adj. 冷冻的；冻僵的 be frozen with fear 被吓呆了【学法点拨学法点拨】freezing cold 极冷burning hot 炎热pretty ill 病得厉害freezing，burning，pretty 用作副词，意为“非常，颇”。7 anti
12、cipate v. 预料；预见；期望It is anticipated that. 据预测 anticipate doing sth. 预计做某事；期待做某事We anticipate that we will meet tremendous difficulties.我们预料我们会遇到巨大的困难。 It is anticipated that house prices will decrease. 据预测，住房价格将降低。 I anticipate reading the book with dramatic interest. 我以极大的兴趣期待着读这本书。 【词语积累词语积累】antic
13、ipation n. 预期；预料；期盼；期望He bought extra food in anticipation of more people coming than hed invited. 他预料来的客人会比邀请的多，就多买了食物。8 border n. 边界；国界；边界（地区）v. 与接壤，与毗邻on the border 在边界上the border between the US and Mexico 美国和墨西哥之间的边界Denmarks border with Germany 丹麦和德国的国界线escape across the border 逃过边境a border town
14、 边境城镇the countries bordering the Baltic 波罗的海沿岸国家完成句子完成句子(1) The harbour lies （位于的边界）between the US and Mexico.(2) Customs officers inspected our baggage when we （穿越边境）.阅读文章，总结文章的结构Part1:Para(s)_1_A brief introduction of their tripPart2:Para(s)_2_Their stay in Vancouver before the journey Part3:Para(
15、s)_3-6_What they really saw and felt aboard the train Topic:who_ and her cousin _what/whyto _where(destination)how(transporta-tion)first by _,then by _.阅读第二部分，找出本段中的主旨句和依据主旨句：Before starting out, they spent a couple of days in Vancouver, seeing the sights.依据：it rained，take a boat ride，wonderful shop
16、s selling crafts and antiques，see the beautiful mountains looking out over the city.took a pleasant hike in a forest阅读第三部分，回答下列问题：Why did they consider the journey as the most awesome one?答案：In addition to seeing spectacular mountain peaks and forests, one highlight of their trip was being able to see many different creatures, including deer, mountain goats, and even a grizzly bear and an eagle.Part.3 After-classPart.3 After-classThank you!
