Unit2 复习导学案(第六,七课时)

Unit2 English around the world 导学案（第六，七课时）教学目标：1.复习本单元重点短语及句型

2.复习祈使句直接引语变间接引语

预习案：

巩固本单元要点并准备听写

课内探究

【重点单词】

1. 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

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

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 can’t 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 based

【解析】选C，动词base的用法是：base A on /upon B,把A建立在B的基础上，句意为：没有事实，我们不能形成一个有真正价值的意见，因为我们需要有确凿的了解作为我们思考的依据

3. 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

mand n.[C]命令，指令；[U]掌握

Vt.命令，指挥，支配。博得，赢得

①The police arrived and took command of the situation.警察到达后就控制了局面

②Applicants will be expected to have a command of English. 申请人必须精通英语

③Thecommission intervented and command that work on the building cease.委员会进行了干预，下令那栋大楼必须停建

【即境活用】The newly founded chess club formally___ us to attend the opening ceremony.

A. requested

B. Required

C. demanded

D. commanded

【解析】A 考查request sb. to do sth. BCD语气强硬，按照句意A符合

5. request n.&vt 请求；要求

①He was there at the request of his manager.他按经理的要求到了那里。

②She requested that no one (should )be told of her decision.她要求不要向任何人谈起她的决定。

③You are requested not to smoke in the restaurant.请不要在餐馆里吸烟。

即境活用：This is his only request that the room after being used .

A be cleaned

B would be cleaned

C is cleaned

D will be cleaned

【解析】选A.request 用作名词，后接同位语从句时，从句谓语用（should）+动词原形

6. recognize vt. 辨认出；承认

①Drugs were not recognized to be/as a serious problem then .那时候还没有把毒品看成严重问题

②It was recognized that this solution could only be temporary.人们意识到这只是个临时的解决方案

③The book is now recognized as a classic.这本书现在是一部公认的经典著作

【重点短语】

1. because of

because 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

①Liu Xiang gave up the competition because of his injury.刘翔因伤放弃了比赛

②The game was cancelled owing to heavy rain.比赛因大雨取消了

③The team’s success was largely due to her efforts.这个队的成功在很大程度上是她努力的结果

④It was a great success – thanks to a lot of hard work.由于尽心竭力才获得了巨大的成功。

2. come up

(1)（人）走近；靠近He came up smiling to me 他微笑着向我走来

(2)（太阳，月亮）升起The sky was dark blue and clear when the moon came up.