Unit 15 We’re trying to save the manatees!教案
boy: aquatic feed?
man: oh, that’s underwater plants and vegetation. that’s what they eat.
step ⅲ 2b
this activity provides listening practice u-sing the target language.
go through the instructions with the class. look at the headings in the chart and the blanks next to each heading. you will hear the same recording again. this time listen carefully to what both people say and fill in the blanks in the chart. look at the sample answer. the two people on the recording are talking about manatees, so you write the word manatee after the words kind of animal in the chart.
play the recording again. get students to fill in the blanks in the chart. check the answers with the class.
answers
kind of animal: manatee
numbers: 2 500 in the u. s.
habitat: water under trees in mangrove swamps reason why they are endangered: swamps polluted, not enough food
description : large, three metres long, weighs 1 000 pounds
step iv 2c
this activity provides guided oral practice using the target language. look at the sample conversation in the box. invite a pair of students to read it to the class.
sa : how big are manatees?
sb : they’re about l0 feet long and they weigh about 1 000 pounds.
read the instructions aloud to the class. each pair of students can make a conversation using information from activities 2a and 2b. let students work in pairs. while they are working, move around the classroom, checking the progress of the pairs and offering help as needed.
when students finish the work, ask one or two pairs to say their conversations to the class.
conversation 1
sa: where do manatees live?
sb: they live in the water under the trees in mangrove swamps.
conversation 2
sa : why are manatees endangered?
sb : because some swamps have been polluted. and there isn’t enough food for all the manatees, either.
step ⅴ grammar focus
look at the grammar focus box. invite five students to read the statements to the class.
we’re trying to save the manages. manatees eat about 100 pounds of food a day.
there used to be a lot of manatees. in 1972, it was discovered that they were endangered.
some of the swamps have become polluted.
put the class in five groups and ask each group to become "experts" in one of the verb tenses and presents a review of that tense to the rest of the class. have the students explain what the verb tense is used for and then give some sample sentences.
students can look back at the units where their verb tense was presented or practiced.
present progressive: reviewed throughout the book.