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高二英语教案:Unit 5教案

[04-24 22:24:31]   来源:http://www.guaimaomi.com  高二英语教案   阅读:9193

概要:lternative but to go on.除了继续下去,我们别无选择。There was no other alternative but to fight till the victory.除了战斗到胜利,别无选择。联想拓展:alternatively adv. 或者,二者择一地alternate vt. 使交替;vi.交替;adj. 交替的;轮流的高手过招:(1)单项填空In this school, the students have three courses, and seven courses. (2010¡¤01¡¤陕西师大附中月考)A. required; alternative B. requiring; alternativeC. required; alternate D. requiring; alternate解析:选A。require(尤指根据法规) 规定、需要,此处用过去分词required修饰courses,因为两者之间为被动关系。后空意思为¡°选择,选其一¡±,alternative符合句意。(2)单句改错 (原创)①I had no alternative but report him to the police.②You have the alternative to speaking or keeping quiet.③Tom and Harry d

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本文题目:高二英语教案:Unit 5教案

Unit 5 Meeting your ancestors 教案

核心单词

1. alternative

n.可供选择的事物;(两者或以上)可能的选择

adj. 供选择的, 二选一的

常用结构:

have no alternative but to do sth.

只能做某事;除¡­¡­外别无选择

We have no alternative but to go on.

除了继续下去,我们别无选择。

There was no other alternative but to fight till the victory.

除了战斗到胜利,别无选择。

联想拓展:

alternatively adv. 或者,二者择一地

alternate vt. 使交替;vi.交替;adj. 交替的;轮流的

高手过招:

(1)单项填空

In this school, the students have three courses, and seven courses. (2010¡¤01¡¤陕西师大附中月考)

A. required; alternative B. requiring; alternative

C. required; alternate D. requiring; alternate

解析:选A。require(尤指根据法规) 规定、需要,此处用过去分词required修饰courses,因为两者之间为被动关系。后空意思为¡°选择,选其一¡±,alternative符合句意。

(2)单句改错 (原创)

①I had no alternative but report him to the police.

②You have the alternative to speaking or keeping quiet.

③Tom and Harry do the work on alternative days.

答案:①report前加to ②to→of

③alternative→ alternate

2. arrest

vt. 逮捕,拘留,吸引(注意)

n.[C]逮捕

常用结构:

be arrested for sth. 因某事而被捕

arrest one s attention吸引某人的注意

under arrest被捕;被拘留

The criminal was arrested yesterday.那名罪犯昨天被捕了。

What she did arrested my attention. 她所做的吸引了我的注意力。

高手过招

用适当的介词或arrest 的适当形式填空 (原创)

①I got arrested careless driving.

②Her uncle was arrest, but nobody knew the reason.

③Five youths in connection with the attack.

④The public applauded the of the criminal suspect.

答案:①for ②under ③were arrested ④arrest

3. preserve

v.保护,维持,保存

常用结构:

preserve sth. from 使¡­¡­免遭¡­¡­

You can preserve meat or fish in salt.你可以用盐保存肉或鱼。

It is one of the duties of the police to preserve public order.

警察的职责之一是维持公共秩序。

联想拓展:

preservable adj. 可保存的

preservation n. 保存

preserver n. 保护者,保存者

易混辨析:

preserve/conserve/reserve/protect

preserve v. 保护,维持,保存;

conserve v.保存,保护,强调珍惜;

reserve v. 指意见、看法的保留或座位的预定;

protect v. 保护,强调使其免受破坏或损害。

高手过招

(1)单项填空

①In spite of failing to save every endangered species, we may preserve the majority extinction.

(2010¡¤山东枣庄一轮验收)

A. Against B. with C. beyond D. from

②It is the duty of the police to social order.

(原创)

A. Save B.reserve C.preserve D. rescue

①解析:选D。preserve sth. from 使¡­¡­免遭¡­¡­,符合句意。

②解析:选C。A、D两项都意为¡°拯救¡±;B项意为¡°保留,保存¡±;C项意为¡°保护,维持¡±。根据句意可知,选C。

(2)完成句子 (原创)

①夏天收获的大量水果可冷藏或装瓶加以保存。

In the summer, large crops of fruit may by freezing or bottling.

②我认为这些有趣的旧习俗应该保存下去。

I think these interesting old customs .

答案:①be preserved②should be preserved

4. relief

n.减轻,解除

常用结构:

bring /seek/find/give/feel relief

带来/寻求/找到/予以/感到解脱

much to ones relief=to ones great relief

使某人宽慰的是¡­¡­

relief road 备用车道

relief map 地形图

I felt great relief when I heard I had passed the examination.

当听到已经通过考试时,我感到轻松了许多。

联想拓展:

relieve ones feelings 发泄感情

relieve sb. of 使某人解除

The minister was relieved of his post.

部长被解除了职务。

高手过招:

单项填空

Hearing the news that her son was found, she breathed a sigh of .(2010¡¤山西太原五中检测)

A.excitement B. joy C. relief D. belief

解析:选C。按照句意此处为¡°减轻忧虑,松了一口气¡±,C项符合句意。

5. assume

vt. 设想,假定;主观认为;装出¡­¡­的样子

常用结构:

assume sb./sth. to be 假定/认为某人/事是¡­¡­

We assumed that you understood the situation.

我们认为你了解形势。

He assumed a wellinformed manner but in fact he knows very little. 他装出一副见多识广的样子,而实际上他知之甚少。

联想拓展:

assumed adj.假装的,假的;假定的,设想的

an assumed result假定的结果

assuming adj.自负的,傲慢的,过分自信的;

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