understanding science

Dictation
5) Some things don’t need to be said. 6) You know each other that well, and you understand where the other person is coming from. 7) You trust them completely. 8) You are only human, and sometimes you will hurt each other, but you know you will always work it out eventually.

Question Answering



1) In what country have GM crops contaminated other crops? Mexico. 2) Who discovered this? Scientists. 3) How far are contaminated plants from the nearest GM crops? 60 miles. 4) When did Mexico ban GM maize? Three years ago.

contamination contaminate remote trial separation threat environment


range gene maize ban cultivated originate sample
GM Crops

mountainous currently be under way protest biotech industry


1) Maize was once called the plant of the gods. 2) Maize originated in the USA. 3) Four out of ten samples were contaminated. 4) GM maize was found in northern Mexico. 5) GM maize was found 20 miles from the road. 6) In the UK, commercial planting of GM crops has been banned for five years.

be Separation distances need to ___ looked at. They’ve been looked at once ____, and they were changed, but weren’t think they _____ adequate enough. I ___ will this research ___ show that it, they again need to be looked at _____, and made changes need to be ____, in order to ___ protect farmers in the UK.
Public Attitudes Toward Science
Unit 3
Before Reading
Passage dictation Listening: GM Crops Brainstorming

Passage Dictation


1) I’m going to express my views on what constitutes a real friendship. 2) Distance doesn’t matter. 3) You can have good friends that you leave behind when you move, but a real friend is always there. 4) Maybe you keep in close contact, but when you get in touch or get together, it’s like you were never apart.

Changes in separation distances will protect _____. UK farmers scientists the biotech industry GM crops

The man thinks that _____. there is a threat to the environment people are using the research as propaganda for crops people are using the research as propaganda against crops people don’t care

1) Contamination by GM crops in Mexico. 2) GM trials in the USA. 3) Where contaminated crops were found. 4) How much money GM trials cost. 5) Separation distances between ordinary crops and GM crops. 6) What scientists think about the possible threat to the environment. 7) The government’s opinion. 8) How the contamination might have happened.

GM Crops
Genetically modified 转基因是指，改变活体生物的细胞，以使该 生物用不同的方式生长，并具有不同的功能 。 目前全世界有大约3500万公顷的土地生产 转基因作物。 第一批转基因试验是在20世纪70年代中期 进行。

GM Crops

GM Crops

FOR

AGAINST
PEOPLE
Brainstorm some of the scientific and technological inventions.
genetic engineering
e-mail
mobile phone
laptop
(笔记本电脑)
clone nanotechnology
You hear a man talking. Who do you think he is? A farmer A protester A scientist

The woman says that separation distances _____. are adequate have never been changed have been changed several times have been changed once

Did the contamination in Mexico come from food aid? Maybe Definitely Definitely not Probably

adequate

ban
disagree
dramatic
remote



The fashion designer _____ the use of real fur. I _____ with Mr. Macpherson. I think he is wrong. This cottage is in a very _____ area. She arrived late and made a _____ entrance. The car was not big, but _____ for our luggage.

dramatic propaganda food aid imported spread
GM Crops
In the UK, the subject of genetically modified crops is a controversial one. Close attention is being paid to the experience of other countries where they are already being grown. This news item reports on a case of local plants being contaminated by genetically modified crops some distance away.
(纳米技术)
nuclear weapons

lunchtime There are fears this ________ that genetically modified crops could have a wider _____ range of contamination than thought previously ______ . Scientists in a remote discovered part of Mexico have ________ that local plants have the genes used to modify even maize, _____ though the nearest GM crop away site is 60 miles _____. Mexico banned the planting _______ of modified maize three years ago.