Module 4 Great Scientists--language points

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名称 Module 4 Great Scientists--language points
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科目 英语
更新时间 2011-04-26 16:57:00

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课件17张PPT。Module 4 Great ScientistsLanguage points for Reading Period 5the key to sth. / doing sth. ---的关键1. He thought that the key to feeding people was
to have more rice and to produce it more quickly.2. He thought there was only one way to do this ---
by crossing different species of rice plant, ….(one) way to do sth. = (one)way of doing sth.
That’s not a right way to solve the problem.
I’m not happy with this way of working.by crossing … 通过杂交的方式
Switch it by pressing this button.
I will contact you by e-mail.species (singl. / pl.) 种,物种
There are many species of dogs.experiment: (n.) [c / u]实验;试验 experiment: (V.)做实验
e.g. 有人认为用动物来做实验是很残忍的。
Some people think that it’s cruel to experiment on animals.
e.g. 我不断尝试,直到找到合适的方法为止。
I experimented on and on until I found the right method.3. First Yuan Longping experimented with
different types of rice.do / perform / carry out an experiment 做/进行实验4. This was the breakthrough. breakthrough: an important development
that may lead to an agreement or achievement
重大进展,突破
make a breakthrough
a major breakthrough有人说,这是癌症研究中的重要突破。
They say this is a major breakthrough in cancer research. = Rice fields were changed to grow vegetables and other cash crops.
convert (sth) to / into sth: 把…转变成;转变,改变
e.g. 那家工厂把铁转变成钢。
That factory converts iron into steel.
e.g. 我把我的美元换成了欧元。
I converted my dollars into euros.5. 50 kilometres of rice fields were converted to growing vegetables and other cash crops.6. Following this, Yuan Longping’s rice was exported to other countries, such as ….印度向许多国家出口茶叶和棉花。
India exports tea and cotton to many different countries.
90%的发动机都出口到欧洲。
90% of engines are exported to Europe.export (n.)
import (v. / n.) export trade imports of oil出口贸易石油的进口Fill in the blanks. 在水稻种植界,中国科学家袁隆平是一位重要人士。
In rice-growing world, the Chinese scientist, Yuan Long-ping, is a _________ __________.
袁隆平生长在中国。
Yuan Longping was born and _______ _______ in China.
袁隆平从小就对植物感兴趣。
From an early age Yuan Longping _______ ___________ _______ plants.
他想,养活世人的关键是更多更快地生产水稻。
He thought that ______ _______ ______ feeding breeding.leading figurebrought up was interestedinthe key to他认为,唯一的办法是使不同种类的水稻杂交。
He thought there was ______ ______ ______ ______ do this – ______ crossing different species of rice plant.
全国各地的研究者们被召集在一起开发新的水稻种。
Researchers _______ __________ _______ from all over China to ___________ the new system.
由于袁隆平的发现,中国的水稻产量在20世纪90年代增长了47.5%。
_______ _______ ________ _______ Yuan Longping’s discoveries Chinese rice production ________ _______ 47.5 percent in the 1990’s.the only way tobywere brought in developAs a result ofrose by他们请来专家讨论这个方案。
由于大坝的修建,湖面将上升63米。
他是在乡下长大的。
这位科学家通过不同的品种的杂交培植出一种新的水稻。They’ve brought in experts to discuss the scheme.
As a result of the dam, the water level of the lake was going to rise by 63 metres.
He was brought up in the countryside.
The scientist developed a new kind of rice by crossing different species.Translations. 很多人在那个森林中搜寻那个丢失的孩子。
那间办公室已经被变成会议室。
这已经成为当前最主要的话题。
他们用一种新型的发动机进行试验。Many people were searching the forest for the lost child.
The office has been converted into a meeting room.
These have become the leading topics of the hour.
They experimented with a new type of engines.Cultural Corner1.Perhaps some of the tubes jumps out of the fire instead of exploding in it.
explode
1) vt.爆炸 Bombs were exploding all around the city.
2) 勃然大怒,突然爆发
We all exploded into wild laughter2.The Chinese discovered that the gas escaping from the tube could lift it into the air.escape vi. 1.) 逃走 (与from连用)
The hotel guests tried their best to escape from the burning building.
2.) 漏出, 溢出
Water escaped from the pipe.lift up 举起,使振奋
lift down 搬下去
lift off 发射,起飞,升空
give sb. a lift 让某人搭车3.The tubes were attached to a long stick which helped keep the rocket moving in a straight direction.1) Keep doing/adj./adv./prep.phr./done
保持某事/某人处于……
I am sorry to keep you waiting for a minute.
Keep the dog out, please.
2)in a straight direction 朝径直的方向
in the direction of southsthsbin the opposite direction
in all directions 向西面八方,各方面
3) straight adj./adv.
Draw a straight line.
He was too tired to walk straight.