北师大版高二选修七教案：Unit 20 period 6.docx

the sixth period reading (iii)teaching goals 教学目标1. target language目标语言a. 重点短语 end with, drop off, a stepping stone, in case, set up, start with, due to, in conclusion, as long as, bring down, up to, depend on, come to an end, save upb. 重点句子 it was launched in 1990 so that astronomers could observe space without the earths atmosphere being a barrier. the telescope is so precise that over fifty new planets have been located beyond our solar system. the next step will be to send astronauts into the earths orbit in order to set up space stations to conduct experiments. 2. ability goals 能力目标enable the students to talk about space exploration and space tourism and learn the expressions for purpose.3. learning ability goals 学能目标help the students learn how to talk about space exploration and space tourism.teaching important and difficult points教学重难点how to get the students to understand space better.teaching methods教学方法fast-reading, careful-reading and discussing. teaching aids教具准备a recorder, a computer and a projector.teaching procedures and ways教学过程与方式step i revision and lead-in check the answers to exercise 2 on page 78. meanwhile, explain the difficulties where necessary. t: on october 15, 2003, china sent its first manned spaceship to space. who is the first chinese astronaut?s: yang liwei.t: good. he was launched into space in a spaceship called shenzhou v. it was the most exciting event of that year. the success of shenzhou v was important as it was the first step in chinas manned space programme. in fact, not only china but also other countries are exploring space. would you like to know about space exploration?s: yes.t: most of us are curious about space, which is the final frontier. today lets read the passage “space: the final frontier”. step ii reading (page 26)ask the students to read the passage on page 26 and learn about space exploration.fast-reading t: now turn to page 24 and read the passage quickly to get the general idea of it. after you read it, match the following headings 1 5 on the screen with the paragraphs a f.show the headings on the screen.1 recent interest 2 early space exploration 3 introduction 4 conclusion 5 into deep space 6 chinas contributionafter the students read the passage, get one of them to read his or her answers and then check the answers together.suggested answers to exercise 1 on page 26:1 c; 2 b; 3 a; 4 f; 5 d; 6 ecareful-readingt: ok. youve got the general idea of the passages. now ill give you a few minutes to read the passage again carefully and get more information about it. after you read, please answer the following questions on the screen.show the questions on the screen.1 when did the age of space exploration begin?2 when did the first successful manned flight take place?3 how could astronomers observe space without the earths atmosphere being a barrier?4 why is the international space station built?5 when did chinas contribution to international space exploration start?6 whats the next step in chinas manned space programme?suggested answers to the questions:1 it began in 1957, when sputnik 1 was launched by the soviet union.2 it took place in 1961, when yuri gagarin was shot past the boundaries of the earths atmosphere and into space.3 through the hubble telescope.4 it will work as a permanent manned scientific base for scientists to research life in space and provide a stepping stone in case future manned flights are sent out.5 chinas contribution to international space exploration started with the successful launch of the dongfanghong 1 satellite in 1970.6 the next step will be to send astronauts into the earths orbit in order to set up space stations to conduct experiments.step iii language studyget the students to finish off exercises 2 - 5 on pages 26 & 27 and explain some language points to understand the passage better. exercisest: we know that we can use different sentences to express the same meaning. in the passage there are some sentences that mean the same as the colloquial sentences listed in exercise 2. now please find them from the passage referring to the paragraph letters in brackets. suggested answers to exercise 2:1 the age of space exploration began in 1957, when sputnik 1 was launched by the soviet union.2 this marked the beginning of the “space race” between the us and the ussr, which ended with the us putting a man on the moon in 1969.3 recently there has been another burst of interest in space as a result of the hubble telescope.4 the telescope is so precise that over fifty new planets have been located beyond our solar system.5 further space projects such as deep space will send out cameras in order that they might find earth-like planets where there might be life. t: just now we learned some sentences expressed in two ways. now lets learn some different idiomatic expressions with the same meaning. now please do exercise 3. suggested answers to exercise 3:1. all over the world 2 2. a stage on the way 1 3. the possibilities are endless 34. decreased 45. shown weve been there 5 t: there are the linking words underlined in the text. some of them are used for reason, while some for purpose. now classify the linking words as reason or purpose. who can tell us the answers? any volunteers?s: let me have a try. the following linking words are used for reason: as a result of; as; due to. t: good. i think the rest linking words for purpose. they are: to; so that; for; so as to; in case; in order that; in order to. right?ss: yes. t: which of the linking words do you think are followed by modal verbs?s: generally speaking, the linking words for purpose are followed by modal verbs.t: you are quite right. now lets do exercise 5 to use the linking words correctly. after a while, check the answers with the whole class.suggested answers to exercise 5:1. it might rain 2. you can swim 3. fog 4. we can contact you 5. my aunts coming 6. check if hes in 7. the nights can be very cold 8. your student visaexplanationt: up to now, you have understood the passage well. listen to the passage, paying attention to the phrases and important sentences on the screen. show them on the screen.end with, drop off, a stepping stone, in case, set up, start with, due to, in conclusion, as long as, 1 it was launched in 1990 so that astronomers could observe space without the earths atmosphere being a barrier. 2 the telescope is so precise that over fifty new planets have been located beyond our solar system. 3 the next step will be to send astronauts into the earths orbit in order to set up space stations to conduct experiments. t: do you have any difficulty in understanding the passage?s: in the first and the second sentences, “so that” and “in order to” can both be used for purpose. can they be changed for each other? t: a good question. first, they cant be changed for each other even though they both express purpose. second, we should remember that “so that” should be followed by a clause introduced by “that”; while we should use an infinitive after “in order to”. in addition, “in order that” should also be followed by a that-clause, but after “so as to” and “to”, an infinitive should be used. generally speaking, “so as to do”and “so that + a clause” cant be put at the beginning of the sentence. are you clear?s: yes. thank you.t: do you have any other questions to ask?s: no.t: now lets do exercise 1 on page 74 using what we learned just now.give the students three minutes and then ask one of them to read his or her answers to this exercise. step iv reading (page 78)get the students to read the passage on page 78 and finish off exercise 1.t: just now we talked about space exploration. by now, some astronauts have been sent into space. but is it likely that ordinary persons can travel in space? scientists all over the world are working hard to make it possible. would you like to get the chance to go to space?ss: yes. we cant wait to go to space.t: ok. lets read a passage about space tourism. youll get some information about space tourism before going to space. after you read it, please finish exercise 1. after the students read it, check the answers together.suggested answers to exercise 3:1. f 2. t 3. ni 4. f