Unit2 English around the worldThe Second Period马守东三维目标1.Knowledge：Do some exercises to master words and phrases.2.Ability：Learn to use these words and phrases in daily life.3.Emotion：Train students perseverance and patience by remembering new words and phrases.教学重点Explanation of words and phrases and practise using them.教学难点How to let student master them well.教具准备slides教学过程Step 1 Greetings and revisionFive minutesNever forget why you started, and your mission can be accomplished. A nation will prosper only when its young people thrive;a country will be full of hope and have a great tomorrow only when its younger generations have ideals,ability, and a strong sense of responsibility. -Step one lead in1. voyage n.航行，航海辨析：voyage/journey/travel/trip/tour【解释】voyage: 去国外或较远地方的海上旅行journey: 指较远的从一地到另一地旅行travel: 一系列的旅程，尤指旅行的概念trip: (短途)旅行tour: 为了公务、娱乐或教育参观多处名胜的旅行【即境活用】用上面所提供的辨析词的适当形式填空1). It is tiring to take a long _ by train from Paris to Moscow.2). The _ from England to Australia used to take several months.3). Well have time for a _ to France next weekend.4). We went on a guided _ round the castle.2 base vt。 以为根据 n.基部；基地；基础（1）base sth. on /upon sth. 以.为基础（或根据） base sb./sth./onself in 以.为据点（或总部等）把（总部等）设在（2）the base of a column/glass/pyramid 柱基/玻璃背底/金字塔底座 a military/ naval base 军事，海军基地（3）based adj （以某事）为基础/根据 baseless adj. 没有根据的；无缘无故的 basement n. 地下室 What are you basing this theory on?你这种理论的根据是什么？ They decided to base the new company in New York.他们决定将新成立的公司总部设在纽约。 The town is an ideal base for touring the area. 这个镇子是在这一地区旅游观光的理想地点。温馨提示：base.on/upon 常用其被动结构be based on/upon 以。为基础即境活用：Without facts,we cant form a worthwhile opinion for we need to have factual knowledge our thinking.Awhich to be based on B which to base upon C upon which to base D to which to be based3. frequent adj.频繁的，常见的辨析：frequent/common/ordinary/general/regular【解释】frequent经常的，时间或间歇很短的发生或出现common 通常的、常发生的、广泛使用或众所周知的ordinary指种类普通且不能从其他中加以区别的，有时含贬义general一般性的，到处的；不限于领域、地区或应用regular平常的；惯例的；习惯性的、通常的或正常的【即境活用】用上面所提供的辨析词的适当形式填空1). This is a _ problem.2). He often makes _ errors of judgment.3)Look at the trains _ schedule.4)The violinist gave a very _ performance marked by an occasional memory lapse.5)As a _ rule I am home by six.4.辨析request， command和order request要求，请求，语气比其他两项委婉；order和command在用法上很相似，command和order都有“命令”之意都可以接名词、从句作宾语，接不定式作宾语补足语，接从句时从句要用虚拟语气。command 指权威方面正式下令，主要用于军事场合The general commanded his men to attack the city.将军命令士兵攻城。order执行任务或掌权者发布命令时使用，为常用词，可用于正式或非正式场合。The police officer ordered that I should get out of the car.警察命令我从汽车里出来【即境活用】The newly founded chess club formally_ us to attend the opening ceremony.A. requested B. Required C. demanded D. commanded5.because ofbecause of 因为，由于（为复合介词，后接名词或代词）。He had to retire because of ill health.他因为健康状况不佳，所以不得不退休【拓展延伸】 because, as, since, for都表示原因，但意义不同because直接原因，语气最强。回答why提出的问题只能用because。在强调句型中，也只能用because。as 用于解释做某事的原因，语气较弱，通常位于主句前。since 表示的原因是指众所周知的事实，意思“既然”。语气比because弱。通常位于主句前，并常与as换用for 并列连词，连接并列分句，表示一种补充说明，是推测或判断的理由，语气较弱Because 接从句，because of接名词，代词，动名词板书设计Unit 2 English around the world The Second PeriodThe words and phrases：1. base vt。 以为根据 n.基部；基地；基础（1）base sth. on /upon sth. 以.为基础（或根据） base sb./sth./onself in 以.为据点（或总部等）把（总部等）设在（2）the base of a column/glass/pyramid 柱基/玻璃背底/金字塔底座 a military/ naval base 军事，海军基地（3）based adj （以某事）为基础/根据2.because of/because资