Unit 10 By the time I got outside, the bus had already left.教案

show the following vocabulary on the screen by a projector.
quarter n.四分之一
 population n. 人口
 native adj. 本國的；本地的
 speaker n. 說話者；演講者
 wherever adv.無論哪里
 singaporean n. 新加坡人  adj. 新加坡人的；新加坡的
 india n. 印度
 hindi n. 印地語；印地人 adj. 印度北部的
 german n. 德語；德國（人）的
 invention n. 發(fā)明；創(chuàng)造
 business n.生意；商業(yè)
say the words and have students repeat several times until they can pronounce them fluently and accurately.
step ⅱ part 1
this activity is designed to activate students’ background knowledge before attempting the reading.
read the title changing english to the class. ask, what do you think the article is about?
read the instructions to the class.
point to the three questions in the box.
say, you are to discuss the questions about english with your partner. but don’t look at the reading. use your background knowledge instead.
get students to complete the task in pairs. as the pairs work together, walk around the room. ensure that they are discussing the questions in english.
when most students are finished, invite pairs of students to report their results.
don’t say yes or no to their answers.
step ⅲ part 2
this activity provides practice in scanning for specific information.
look at the picture. ask students to describe what is happening in the picture.
read the instructions and draw students’ attention to the list of numbers. get a student to say the sample answer like this: in 1950 english started being more popular for science.
please read through the article silently.
find information for the numbers. remember to skim for the key ideas rather than read slowly. get students to work on their own. as they are doing this, move around the classroom answering questions they may have and offering language support as needed.
check the answers.
answers
1950—in this year english started being more popular for science.
10 000—number of words in the south african dictionary not found elsewhere in the world.
a hundred—number of years ago that
german was the most popular language for science.
one billion—number of people learning english.
375 million--the number of native speakers of english.
step ⅳ part 3
this activity encourages students to use the strategy of reading in context.
ask students to read the article once.
say, pay attention to the bold word and expressions? and note any other word or sentence you don’t understand. read in context, guessings their meanings from the other words around them.