课件44张PPT。U 21 Human Biology L3 Epidemics Explained (xie)What are epidemics?Can you name some epidemics we are facing at present?Bird Flu SARSAIDS Epidemics ExplainedSARS VirusEx2 Have epidemics affected historical events?1.affect (v)影响;炫耀
affecting (adj) 动人的,感人的
effect (n) 结果,后果
give effect to sth (使某事物实行起,使生效)Although it is an ________________ movie, it doesn’t _______________ the rich. That is, it has no __________ on those rich people.affectingaffecteffect2.wipe out 彻底毁灭;擦拭…内部,消灭, 垮台, (滑雪等时的)翻倒, [电信]封闭
You _____________ the unpleasant memory.
你应抹掉那不快的回忆。
__________ the bath before you use it.
使用浴盆前先把里面擦干净。
After __________ (wipe out ) all the grass, the farmers planted some fruit trees.should wipe outWipe outwiping out3.up to (深度,高度,数量,时间等)到...程度,多达,一直到,不多于, 到达,至 多, 能胜任, 正在干, 捣鬼
Up to 4 people survive the accident.
Read up to page 4.
He is not up to the job.
Be unfit for…
What is she up to?
Epidemics ExplainedEpidemics throughout history
throughout prep.遍及, 贯穿
adv.到处, 始终, 全部
He was wrong throughout.
他全都错了。
It rained throughout the night.
雨下了一整夜。
The house is painted throughout.
这座房子上上下下油漆一新。
整个冬天/ 季节With +O+ doing/ done/ adj./ prep.-phrase
With the number of students _________ (grow), we need more teaching buildings.
With all the furniture ____________ ( clean) out, the room turned on a new look.
With economy _________ (boom), people live a happier life. growing cleaned boomingparallel adj.平行的;并行的
parallel lines平行线
n.平行线;平行面,相似之物;可相比拟的事/人
Without (a) parallel无与伦比之事
draw a parallel between ...在...之间作比较[对照]
in parallel with…与...平行, 与...同时, 与...并联
vt.相等;匹敌,比较;对比
There are few parallels between American football and European football.
美国足球和欧洲足球没有什么相似之处。
No one has paralleled his success in business.
没有人能与他在商业上的成功相匹敌。
Her daily life parallels mine.
她的日常生活与我的相同。look through sth:快速查看,浏缆
She looked through her notes before the exam.
She looked through the window and saw a strange bird.2 as long as
so long as
once
provided that
on condition that
the spread of diseases
spread vt., vi. spread, spreading
(常与out连用)张开;伸展;延长;加宽
spread to…传到, 波及, 蔓延到
spread over 遍布在..., 复盖在...,伸延至
n.蔓延;扩展;伸张;传播,范围,区域; 广度
The bird spread its wings.
这只鸟展开翅膀。
The bird's wings have a spread of three feet.
那鸟的双翅展开有3英尺长。foresee- foresaw- foreseen- foreseeing
foreseer n.
He cannot foresee how things will turn out.
Those who can foresee difficulties on their way to success may keep calm when they really appear.
在走向成功的路途中能够预见到困难的人在困难真正出现的时候常常能保持冷静的态度。
predict v. predictionA on record :记载下来的,记录在案, 公开宣布
Last summer was the wettest on record for 50 years.
He ran the _______ (fast) race on record.
attempt to do sth尝试,企图,试图做
make an attempt to do sth n.
The prisoners attempted to escape, but failed.
Their attempt to escape failed.fastestsweep through (swept-swept) :扫过,掠过,席卷,流行
The disease can sweep through whole populations in a very short time.
The fire _________ rapidly across the wooded countryside.
这场大火迅速烧遍木林茂密的郊野.
swept4Scientists now guess that up to 50% of the area’s population died from this epidemic, making it one of the main causes of the fall of the Roman Empire.现在科学家们猜测,当时那一地区约百分之五十的人口死于那场瘟疫,使之成为罗马帝国衰落的主要原由.
…, making it one of the main causes of the fall…
He won 9 gold medals, _________ ( make) him world famous.
A. making B . which made
C .and it made D . and this made
5-Elack (v):缺乏/少,不足(不用于被动语态)
(n):短缺(常与of连用)缺乏;需要
There is no lack of vegetable.
蔬菜不缺。
a lack of care, money, water
缺乏关心,金钱,水
vt.缺乏;不足;没有
He lacks courage.
他缺乏勇气。lack 短少;不足;需要
Something is __________.
缺少点什么东西。
Is she ________ in courage?
她缺乏勇气吗?
Owing to ________ time, we cannot do more than what we have done.
由于时间不够,我们只能做到这样。
lackinglackinglack of6population人口,人口数量(large ~,small~)
1)---What’s the population of China?
---China has a population of …
2)One third of the world’s population consume/ consumes two thirds of the world’s resources.
世上三分之一的人口消耗着全球三分之二的资源.
(“人口”:谓语动词用单数。“人数”:谓语动词用复数。)
6in similar conditions:类似情况
be lost to the Black Death- die of…
lose sth ( to sth/ sb)丧失…, (由…获得)
Railways have lost much of their business to the bus companies.
铁路公司许多生意都让汽车公司夺走了
be lost to sth 不再受…的影响, 将…置之度外
When he listens to music he is lost to the world.
________ thought , he didn’t see me at all.Lost in7in similar conditions:类似情况
strike –struck- struck:
爆发,侵袭/撞,碰/打,击,踢/攻击
1)Two days later tragedy struck.
两天后悲剧发生了.
2)The area __________by an earthquake.
hit
was struckleave sth doing 让…处于(某种状态)
done
adj
1)Don’t leave her waiting outside in the rain.
2)Leave the door open, please.
3)The storm left those students _______( trap) in the cave throughout the night.trapped8C with a tendency to strike the young and fit
a tendency to/towards sth
a tendency to fat 发胖的趋势
tend vt.常与to连用, 有某种倾向;有…的趋势
People under stress tend to express their full range of potential.
处于压力下的人容易发挥自己全部的潜力。
vi.照管,照料;看护
The Spanish Flu is believed to have been the most acute epidemic in history.
= It is believed that the Spanish Flu was the most acute epidemic in history.
Peter is said _____________ ( study) abroad before he came here.
= It is said that Peter has studied…
a cause for concern
关注的焦点
a focus of attention
注意力的中心
to have studied 11Dthe number of…
a number of…
1)The number of books stolen from the library is large.
2)A number of problems have arisen.
已经出现了一些问题.
10Dmuch less impressive:远不及那么震撼
(修饰比较级:…得多)
much more interesting
much less interesting
alarming adj.使人惊动的, 令人担忧的
alarm n.恐慌, 惊恐,警报,警报器, 报警装置
He was struck with alarm.他饱受惊慌。
He sounded the alarm.他鸣警报。
for a few key reasons由于一些重要的原因
for political reasons
for some reason11 prescribe v. prescription n.
describe v. description n.
treat v. treatment n.
defend v. defence / defense n.
advise v. advice/ advise n.
nature n. natural (adj):自然的,天然的
naturally (adv):天生地
harm n/v. harmful harmless adj.defence(n);防守 ,保卫
They planned the defence of the town.
defend (v):
~sb/sth (from/against sb/sth) 保护…免受…
defend the children from the dogs treatments (n):治疗(法);看待,待遇,处理
a new ~ for cancer一种治疗癌症的新方法
B do trials on treatments
试验, 试用, 试车
选拔赛, 预赛尝试, 试图, 努力
make a trial of his strength试试他的力量
give the machine another trial再试一次车
stand the trial经得起考验B prohibit any future outbreaks
prohibit=forbid:
~ sb/sth (from doing sth)
禁止;阻止,妨碍,使不可能
1)Somking is prohibited.禁止吸烟.
2)The law prohibits tobacconists from selling cigarettes to children.
法律禁止烟草商把香烟卖给儿童.
prohibition (n)
prohibitive (adj)抑制的,禁止的
outbreak n.爆发,突然发生,发作(尤指疾病或暴力行为)
an outbreak of war
战争的爆发
The war broke out.
output input
put sth behind:把…置之脑后,抛弃
13underline (v): 在(词语等下)画线;画底线标出, 强调,突现
emphasis v.
The report underlines the importance of pre- school education.
这份报告强调学前教育的重要性.With all the international effort being made, we have to have faith that there will be solutions in time to stop a Bird Flu epidemic in its tracks.
solute – solution
stop sth in its tracks终止,消灭
n.轨迹, 车辙, 跟踪, 航迹, 足迹, 路, 磁轨, 途径
on the right track想得对;做得对
on the wrong track想得不对;做错
faith (n):信心,相信,信任/宗教信仰/诚意,善意
faithful (adj):忠实的
faithless (adj):不忠实的,不可靠的
Yours _____________
have faith in…相信, 信任
have no faith in…不相信
We have faith in ourselves, and faith in our principles.
我们对自己有信心,对我们的政策有信心。
effort n.努力
without effort毫不费力地
Please put more effort into your school work.
请你在功课上再努点力。
make effort to do sth 尽力
He made an effort to climb the wall.
他尽力爬上墙。
成果
Finishing the work in one day was a good effort.
一天内完成这项工作是很大的成绩。Review 1 wipe out 彻底毁灭;擦拭…内部,消灭
2 up to 多达,一直到,至 多, 能胜任, 正在干, 捣鬼
3 throughout history遍及, 贯穿,到处, 始终, 全部
4 draw a parallel between ...在...之间作比较[对照]
5 in parallel with…与...平行, 与...同时
6 look through sth:快速查看,浏缆
7 spread to…传到, 波及, 蔓延到
8 spread over 遍布在..., 复盖在...,伸延至
9 foresee difficulties预见到困难
10 on record :记载下来的,记录在案, 公开宣布
11 attempt to do sth尝试,企图,试图做
make an attempt to do sth n.
12 sweep through (swept-swept) :扫过,掠过,席卷,流行
13 a lack of care, money, water
缺乏关心,金钱,水
lack courage = be lacking in courage
缺乏勇气
14 in similar conditions:类似情况
15 be lost to the Black Death =die of…
lose sth ( to sth/ sb)丧失…, (由…获得)
be lost to sth 不再受…的影响, 将…置之度外
16 in similar conditions:类似情况
17 strike –struck- struck:
爆发,侵袭/撞,碰/打,击,踢/攻击
18 leave sth doing 让…处于(某种状态)
19 a tendency to fat 发胖的趋势
tend vt.常与to连用, 有某种倾向;有…的趋势
vi.照管,照料;看护
20 for a few key reasons由于一些重要的原因21 defend ~sb/sth (from/against sb/sth) 保护…免受…
22 do trials on treatments 试验, 试用
23 prohibit =forbid
~ sb/sth (from doing sth)
禁止;阻止,妨碍,使不可能
prohibition (n)
prohibitive (adj)抑制的,禁止的
24 an outbreak of war 战争的爆发
25 put sth behind:把…置之脑后,抛弃
26 underline the importance强调…的重要性
27 stop sth in its tracks终止,消灭
28 have faith in…相信, 信任
have no faith in…不相信
29 make effort to do sth 尽力