Under the sea Period 7 Listening Task，Talking and Writing
period 7 listening task，talking and writingteaching aims
1.students will be able to find out the reasons why the population of sharks decreases sharply.
2.students will be able to express opinions with the polite expressions like：
i don't think it is wise to...
it would be better if we...
it is a good idea to...
i suppose it is right...
i wonder if...
3.students will be able to persuade the local government to protect wildlife in a polite way.
teaching procedures
step 1 before listening
show students a picture of shark and tell them a fact that shark populations are decreasing rapidly.
step 2 during listening
task 1：tell students jordon davies is interviewing the shark expert don james about the sharks' situation.first read the statements below.then listen and number these statements in the order that they hear them.
□shark populations grow at a very slow rate.
□a lot are killed because of modern fishing technology.
□governments should take action so that the fishing of sharks is slowed down.
□shark attacks get a lot of attention in the news.
□shark populations are decreasing at a serious rate.
□some species need to be protected.
□the chance of being bitten by a shark is actually very small.
□millions of sharks are killed each year.
keys：the order：7 4 8 1 5 6 2 3
task 2：listen again and answer the following questions：
1.should people be afraid of swimming in the sea?
2.how many people are killed by sharks each year?
3.do sharks or people need to be protected？why?
4.why are so many sharks being killed?
5.why does the shark's biology affect shark populations？complete the sentences blow.
a：age for reproducing young
________________________________________________________________________
b：time for the young to develop
________________________________________________________________________
c：number of young
________________________________________________________________________
6.how long have shark species been in existence?
7.what does don think will happen if we don't slow down the fishing of sharks?
suggested answers：
1.no.
2.only a few.
3.sharks need to be protected as millions are killed each year by human beings，whereas only a few human beings are killed each year by sharks.
4.sometimes they are killed by accident and sometimes on purpose.for example，shark fin soup is a delicacy in some asian countries.
5.15 years；14 months；7－9.
6.400 million years.
7.don thinks that many shark species will not be able to survive.
step 3 post－listening(talking)
ask students to make up a dialogue according to the situation below.