资源简介

(共18张PPT)
Module 4
Great Scientists
Language Points
1. In the rice-growing world, the Chinese
scientist, Yuan Longping, is a leading figure.
在水稻种植界，中国科学家袁隆平是一位重
要人士。
rice-growing：复合形容词： 种植水稻的
n. +现在分词与所描述的人或事物
之间是逻辑上的主动关系。
e.g. 一个说英语的国家
an English-speaking country
造纸厂
a paper-making factory
热爱和平的民族
peace-loving peoples
(05’上海) The purpose of new technology
is to make life easier, ____ it more difficult.
not making B. not make
C. not to make D. nor to make
2. He thought that the key to feeding people was to have more rice and to produce it more quickly.
他想，养活世人的关键是更多更快地生产水稻。
C
the key to ……的关键是……
类似用法的名词还有:
answer, solution, journey, trip, tour, visit, way, entrance, flight 等后面不用of 而用to。如：a journey/trip to Japan. the answer/key/solution to the question/problem. the eantrance to the theatre…
-- How do you deal with the disagreement
between the company and the customers
-- The key ___ the problem is to meet the
demand ____ by the customers.
to solving; making B. to solving; made
C. to solve; making D. to solve; made
B
你知道解决这一问题的关键吗
Do you know the key to solving
the problem
3. ...,and then he could produce a new plant which could give a higher yield
than either of the original plants.
yield (1) vt./vi. 产 (果实、庄稼等), 产生
(2) vt. 生 (息) , 获得 (利润)
那棵树结了很多果实。
That tree yields plenty of fruits.
这股票每年产生8%的利润。
The stock yields 8% interests a year.
他的商业产生大的利润。
(3) vt. /vi. 给予, 让步, 投降
(4) n. 产量, 利息
His business yields big profits.
我们的军队拒绝投降。
Our army refused to yield.
这块水稻田的产量是多少？
What is the yield of this rice field
yield to
(1) 向……低头/投降/让步
(2) 把……交给, 让……占去, 让位给
敌人向我们的战士投降了。
The enemy yielded to our soldiers.
他把他所有的财产都交给了国家。
He yielded all his possessions to the state.
to 是介词
4. First Yuan Longping experimented
with different types of rice.
首先袁隆平对不同种类的水稻进行实验。
experiment n.试验
与experiment 相关的短语
perform/ carry out/ make/ do an experiment 进行试验
by experiment 通过试验
这个实验不容易做。
This experiment is not easy to carry out.
experiment on/ upon 在……身上做实验 experiment in 某方面 (如学科)的试验
experiment with 对……进行实验
注意experiment作动词时与不同的介词搭配
5. Then he began his search for a special
type of rice plant.
in search of
in one’s/the search for
寻找……
The police with dogs are __ the woods __ the murderer.
A. searching; for B. in search; for
C. searching; to D. in search; of
A
辨析: search与search for
search sb./ sp. 搜查某人(身体)/某地
search for =look for 接搜查后要找的东西
search sb./ sp. for sb. / sth 为……而搜查……
e.g. 警察正在搜索树林, 寻找失踪的孩子。
The police are searching the woods for
the lost child.
他正在寻找丢失的项链。
He is searching for the lost necklace.
6. As a result of Yuan Longping’s
discoveries Chinese rice production rose
by 47.5 percent in the 1990’s.
by: “以……幅度上升\下降”
eg. 由于建大坝，湖水将上升63米。
As a result of the dam, the water level of
the lake was going to rise by 63 meters.
7. 50 thousand square kilometers of rice
fields were converted to growing vegetables
and other cash crops.
be converted to doing：被改做某事
类似用法的单词有: devote(献身), addict(上瘾), apply(适用)…
很多男学生对玩电脑游戏上瘾。 Many boy students _____________ playing computer games.
are addicted to
Homework
Review what you have learned.
Get ready for the next period of class.

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