雷达式水位计.pptx

文档介绍：Listen to a piece of news
1. Where did the news happen ?
2. What happened to Ajani?
3. How do you feel about the story?
A TV news
In an African village, eleven-year-old Ajani hears a far-off scream as he washes his little sister in a bath that leaks water, while he bathes her, he waits his mother to return; he does not sob because no one has told him yet what happened. Ajani and his sister lost their father to Aids two years ago, and now their mother has died of the same disease.
Sad, unfortunate, pitiful, frightened ……
How much do you know about Aids?
Weaken people’s immune system
Once infected, the person will always carry the virus
Sometimes, have no outward symptoms
incurable and deadly
…………
NO SCARE! No PANIC!
A natural system in your body to resist illness
Changes in the body that indicates an illness
What is the writer’s purpose of starting the article with Ajani’s story?
To provide background information of the topic
To attract readers’ attention and lead to the topic
To show writer’s pity on Ajani
To offer basic knowledge of the topic
Read the first sentence of para2-5 to get the main ideas.
para 2
para 3
para 4
para 5
Information of Aids
the ________ of Aids
one of the __________
the ways it is ________
Or ________
Aids --- a _______ problem
definition
symptoms
spread
global
transmitted
HIV
AIDS
How does HIV cause Aids?
Para 2 What is