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(共16張PPT)
Writing a report on population change
Warm-up
What is the writing task
How do we talk about numbers changing over time What words can we use
Writing a report on population change.
(increase, decrease, go up ...)
Writing a report on population change
Pre-writing
Wang Yao is writing a report about the world population. Look at the line graph she found and help her complete the report. Use the words and phrases below to help you.
Title
Y-axis
X-axis
Writing a report on population change
Pre-writing
grew slowly
growing quickly
1.1 billion
2.5 billion
doubled
9 billion
Writing a report on population change
Pre-writing
What order did Wang Yao use in her report
What tense did Wang Yao use in her report
Which years did she mention in the report
What does “the population more than doubled” mean
Time order.
She used the simple past. In the last sentence, she used the simple future.
She mentioned the years 1800, 1950, 2000 and 2050.
The world population in 2000 was more than twice as big as in 1950.
Read Wang Yao’s report again and answer the questions.
Writing a report on population change
Pre-writing
Circle the expressions used to describe time.
Time expressions
before/after ...
during ...
in + YEAR
between YEAR and YEAR
about ... years later
Writing a report on population change
While-writing
Step 1 Plan Choose a city or province you are interested in. Find information about its population change over a period of time and make a line graph.
Title
Y-axis
X-axis
Writing a report on population change
While-writing
Work in groups and discuss the following questions.
What information does the line graph show
What time period should you mention in your report
Which words can you use to describe the change in population
Which tense(s) can you use
Writing a report on population change
While-writing
Step 2 Write Write a report about how the population changed over time. Remember to use the words and phrases in Exercise 1.
(title of the line graph)
The graph shows that ...
In ...,
During ... and ...,
About ... years later,
Writing a report on population change
While-writing
Words and expressions
Language
Third person perspective
Tenses: the simple past, the simple present and the simple future
Time expressions
before/after ...
during ...
in + YEAR
between YEAR and YEAR
about ... years later
Writing a report on population change
Post-writing
Step 3 Check and revise Check your writing and complete the chart, and then revise it.
評價內(nèi)容 評分（1—5）
1. 我使用了折線圖準(zhǔn)確記錄和表達(dá)了我收集的數(shù)據(jù)。
2. 我在報告中詳盡地呈現(xiàn)了一個省份或地區(qū)一定時間內(nèi)的人口變化。
3. 我在報告中運(yùn)用了本單元學(xué)到的單詞和短語。
4. 我的報告在拼寫、語法、標(biāo)點(diǎn)等方面沒有錯誤。
Homework
基礎(chǔ)作業(yè)
1. 在小組內(nèi)互讀報告，用互評表評價組內(nèi)同學(xué)的報告，選出本組優(yōu)秀報告。
2. 把每個小組的優(yōu)秀報告和折線圖貼在教室的黑板報上，進(jìn)行學(xué)習(xí)交流。
拓展作業(yè)
和其他同學(xué)交換報告，在不看折線圖的情況下，根據(jù)對方的報告繪制一幅折線圖，并與原本的折線圖對比，看報告是否準(zhǔn)確反映了數(shù)據(jù)變化，能讓讀者快速了解數(shù)據(jù)和變化趨勢。
province /9prBvIns/ n. 省份
Shenzhen is in the south of Guangdong Province.
sharply /9SA:pli/ adv. 急劇地；突然大幅度地
Between 1950 and 2000, the population rose sharply.
go up 上升
House prices in this area are going up again.
go down 下降
At night, the temperatures can go down to -20℃.

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