高中英语北师大版选修七课件：Unit 21

高中英语北师大

Unit 21Section Ⅱ新课导学 自主探究 板块Step 1 Step 2 Step 3

语言点一 单词集释 板块

语言点二 短语荟萃 板块

语言点三 句型解构 板块

识 记 . 掌 握

理 解 . 拓 展

应 用 . 落 实

识 记 . 掌 握

理 解 . 拓 展

应 用 . 落 实

识 记 . 掌 握

理 解 . 拓 展

应 用 . 落 实

课 时 跟 踪 检 测

高中英语北师大

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高中英语北师大

(1)True (T) or False (F).①Flu kills millions of people every year. ②Most diseases are very new. ③Epidemics have affected historical events. ④It takes years for a disease to spread worldwide. ( ( ( ( ) ) ) )

⑤Epidemics can wipe out up to half of the population inurban areas. 答案：①~⑤ TTTTF ( )

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高中英语北师大

(2)Read the text and put these events in correct order.

A.One of the earliest epidemics swept through NorthAfrica, the Middle East and Europe in 500—550 AD. B.Experts united to stop SARS spreading. C.The Spanish Flu killed up to 50 million people in 18 months.

D.Over nine months, the number of global cases of SARSpassed 8,000 and 774 people died. E.The Black Death spread in the 1330's in Asia. 答案：A→E→C→D→B返回

高中英语北师大

Fill in the blanks according to the text. Epidemics Time Effects

ItBird Flu In 1997 could

hasbe

takenthe

morenext

thanglobal

(1)________lives.Many people fear it

(2)________.One of the earliest About Up to 50% of the area's population

epidemics onrecord

(3)____ died.It (4)________ through North____ Africa, the Middle East and Europe.返回

高中英语北师大

Epidemics

Time

The Black (5)_____ Death The Spanish Flu From 1918 to near the end of (7)_____ In 2002

(10)_____

Effects Up to one half of the population in urban areas (6)________. It spread worldwide. It was the most (8)________ epidemic in history and left families mourning worldwide. Having killed up to 50 million people in (9)________ months. Over nine months, there were (11)________deaths. It was (12)________ to doctors and nurses as well.返回

高中英语北师大

答案：(1)a hundred (4)swept War

(2)epidemic (3)500—550 AD (6)was lost (7)the First World (12)harmful

(5)In the 1330 s

(8)acute (9)18

(10)SARS

(11)774

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高中英语北师大

Epidemics throughout history Five killer ________ are talked about in the text. They ________, ________, SARS and are Justinian Plague,

500—550 AD when the Roman

________ was attempting to ________

________ the Roman Empire. This epidemic

through North Africa, the Middle East and Europe. It is supposed ________ up to 50% of the area's population and10 ________. thus led to the fall of □

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高中英语北师大

The SARS epidemic appeared in 2002, as it was11 ________ drugs or □ 12 completely new, there were no □

________ to treat it and doctors were not sure how to prevent13 ________ have been it either. However, ever since then, □ 14 ________ to prohibit any further □ 15 ________. done on □

Thanks to modern technology, medical workers all over the world are able to work together without pause to hel

p put16 ________ us. SARS □

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高中英语北师大

答案：

epidemics

the Black Death emperor

the Spanish Flu rebuild swept12 □

Bird flu

on record

to have killed tablets13 trials □

10 the Roman Empire □ 14 treatments □ 15 outbreaks □

11 prescription □ 16 behind □

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高中英语北师大

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高中英语北师大

A.根据英文释义和首字母提示写出单词1.matter : the material that everything in the universe is made of, including solids, liquids, and gases 2. privileged : having a special advantage or a chance to do something that most people can't do 3. cater : to provide something that a particular type of person wants but that you think is bad, stupid etc.

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高中英语北师大

4. entry: a situation in which someone starts to take part in

a system, a particular kind of work etc. 5. ample : more than enough 6. herb : a small plant that is used to improve the taste of food, or to make medicine 7. scan : a test done by a scanner 8. treat : to buy something special for someone that youknow they will enjoy 9. storage : the act of keeping or putting something in a special place while it is not being used 10. postpone : to change an event, action etc.to a later time or date返回

高中英语北师大

B.用所给词的适当形式填空

11.People under the age of 18 are prohibited from travellingabroad.(prohibit) 12.He had supported the local team faithfully for 30 years and never lost faith in it. (faith) 13.Most of these tools have been specially adapted for use by

the disabled. (adapt) 14.There is a mourning look on her face. She is still mournful after her father's death. (mourn)

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