内容正文:
第二部分开局之篇·赢定下一学期
第二部分
开局之篇
赢定下下学期
Unit 1 Science and scientists
空新课学得早
Section I Listening and Speaking Reading and Thinking
☑课文预读
[原文呈现]
JOHN SNOW DEFEATS "KING CHOLERA"
Cholera used to be one of the most feared diseases in the
(1)until引导时间状语从句,
world,until a British doctor,John Snow,showed how it could be
其中how,.be overcome为宾
overcome (1).This illness causes severe diarrhoea3,dehydration,
语从句。
and even death.In the early 19th century.when an outbreak of
(2)when引导时间状语从句。
cholera hit Europe (2),millions of people died from the disease.
(3)because引导原因状语
As a young doctor.John Snow became frustrated because no one
从句。
knew how to prevent or treat cholera (3).In time,he rose to
(4)when引导时间状语从句.
become a famous doctor,and even attended to Queen Victoria
when she gave birth(4).However,he never lost his desire to
destroy cholera once and for all.
In general,doctors in those days had two contradictory
(5)不定式短语作名词
theories to explain how cholera spread (5).One theory was that
theories的后置定语,其中
bad air caused the disease (6).Another was that cholera was
how cholera spread为宾语
caused by an infection from germs in food or water (7).Snow
从句。
subseribed to the second theory.It was correct,but he still needed
(6)hat引导表语从句
proof.Consequently.when an outbreak of cholera hit London in
(7)that引导表语从句
(8)when引导时间状语从句
1854 (8),Snow began to investigate.He discovered that in two particular
(9)第一个hat引导宾语从
streets the cholera outbreak was so severe that mone them 500 people
句,其中so..that..引导结
died in ten days (9).He was determined to find out why.
果状语从句。
Snow began by marking on a map the exact places where all
those who died had lived (10).There were multiple deaths near
(10)where引导定语从句,修
the water pump in Broad Street (especially house numbers 16,37.
饰先行词places,其中who
38,and 40).However,some households(such as 20 and 21 Broad
died也是一个定语从句,修饰
Street,and 8 and 9 Cambridge Street)hadhad no deaths.These
先行词those
people worked in the pub at 7 Cambridge Street.They had been
(11)and so因而,连接两个并
give