Going West教案
5.a relay of dog teams would be the only way at that time.
6.the doctor in anchorage wrapped the medicine in a quilt and tied it up.a train took the packet from anchorage to nenana.
7.yes.the drivers had covered almost 700 miles in little more than 127 hours.
t:good jobs.now,look at the screen.i’ll explain some expressions and a sentence pattern to you so that you can use them freely.
ⅰ.useful expressions:
1.save...from
e.g.we must do something to save them from ruin.
2.cover a distance of...
e.g.the red army covered a distance of 25 000 li on the long march.
3.tie up
e.g.wait a moment while i tie up my shoes.
4.at stake
e.g.his reputation was at stake.
ⅱ.sentence pattern:
if untreated,it would produce a....(=if it were untreated,it would produce a....)
e.g.if invited,i would attend her wedding.
(=if i were invited,i would attend her wedding.)
(bb:save...from,cover a distance of,tie up,at stake
if untreated,it would produce a....(=if it were untreated,it would produce a....)
t:do you have anything else you don’t understand?if you do,please tell me.i’ll be glad to explain them to you.
(teacher answers the questions asked by the students.)
step ⅳ listening and discussion
t:well,let’s listen to the tape,when i play it for the first time,just listen to it.when i play it for the second time,please listen and repeat.then read the dialogue aloud for a few minutes.is that clear?
ss:yes.
t:ok.let’s begin.
(teacher plays the tape for the students to listen.then the students read it.after that,teacher says the following.)
t:well.stop here.now please discuss the questions below the dialogue.do them in groups of four.i’ll give you five minutes to prepare.after that,i’ll ask some of you to report your results of the discussion to the rest of the class.do you understand?
ss:yes.
t:ok.begin,please.
(teacher goes among the students and joins them.five minutes later,teacher checks their work.)
suggested answers:
1.they are flu and diphtheria.
2.for example,pneumonia,choler,chicken pox,small-pox.
3.when he discovered that the children had diphtheria and had no enough vaccine in the small city,he decided to get vaccine from a hospital in anchorage.but in 1925,nothing got to nome quickly,so he thought the only way was a relay of dog teams.after twenty drivers covered almost 700 miles in little more than 127 hours together with their dog teams,the children of nome were saved.
4.a relay means that each member of the team must finish one section of the total distance,such as the marathon relay race.