高二英語unit 11 Scientific achievement 教案

step iii  reading
page 7. look at reading and writing. read each passage quickly and find out the answers to the following two questions on the screen. (teacher shows the following on the screen.)
1. what plan has helped chinese scien¬tists make many breakthroughs?
2. which scientific fields are mentioned in the text?
( after a while, teacher checks the answers. )
1. the plan for "rejuvenating the nation by relying on science and education".
2. exploring space, genetic research, computer engineering and medical science.
(teacher writes the answers above on the blackboard.)
read the pas¬sages again carefully, trying to under¬stand them more exactly and pay at¬tention to some detailed information. after that, work in groups to complete the chart after the passages according to what is tearnt from the text. after four minutes, check an¬swers.
suggested answers:
exploring space
achievements: the chinese space agency has developed the highly successful long march rocket series.
importance: the rockets are used to prepare for the nation's first manned space flight.
genetic research
achievements: chinese scientists have completed mapping out their part of the inter¬national human genetic project,
importance; it has proved that chinese scientists are among the world's best. it helps to solve the mysteries of life.
computer engineering
achievements: chinese computer engineers have developed the super¬computer shenwei.
importance: the nation's first humanoid robot has been built.
medical science
achievements: scientists have been able to create a chemi¬cal element that can fight cancer cells.
importance: the breakthrough makes the cure of deadly disease possible.
(after that, teacher deals with the lan¬guage points. )
now, let's learn some useful words and expres¬sions. please look at the screen. (teacher shows the following on the screen and gives brief explanations to make sure the students understand how to use them correctly.)
1. put forward: advance, propose or sug¬gest sth. for discussion
e. g. he is putting forward radical proposals for electoral reform.
2. aim at: intend or try to do sth.
e. g. we must aim at increasing ex¬ports.
3. announce : make (sth. ) known publicly
 e. g. they announced their engage¬ment to the family.
have they announced when the race will begin?
4. map out: present sth. in detail
e. g. he mapped out his ideas on the news project.
step iv  listening and reading aloud
play the tape for the ss to lis¬ten. the first time, listen and follow. the second time, listen and repeat.