حل درس Listening 2 Avian Flu – A Potential Pandemic اللغة الإنجليزية الصف الثاني عشر
Lesson Objectives
Listening: Outlining a presentation and answering comprehension questions; identifying context clues
Speaking: Discussing flu epidemics; summarizing a presentation using an outline
Vocabulary: Words related to viruses and epidemics
Skills Focus: Using context clues Critical
Thinking: Using a graphic organizer to brainstorm questions about a topic; constructing an outline; using context clues to determine meaning
Did You Know
The average sneeze or cough can send around 100,000 contagious germs into the air at speeds up to 160 km (100 miles) per hour
The 1918 influenza pandemic, commonly known as the Spanish flu, infected about 500 million people worldwide. It is estimated that 50 to 100 million died of the flu, making it one of the deadliest epidemics in human history
The Spanish flu was the first of two pandemics involving the HINI virus. The second occurred in 2009 and may have taken more than 200,000 lives
Discussion — Padlet ( Please remake it I Dins; the following questions in pair small groups
Have you heard of any other dangerous Viruses or epidemics ? Describe know
, What precautions can people take to avoid catching flu viruses
Vocabulary Listen to the following underlined words Then use the context in the examples to match them with their definitions
An epidemic is a highly contaqious disease that spreads quickly and affects many people at the same time
،When an outbreak or an epidemic occtrs. health agencies work at findinq the source in order to stop the disease from spreading
Young children and the elderty are usually more susceptible to disease because their immune system iS weaker
Innuenza is caused by a that infects the body and creates disease
Medical scientists carefully study a harmful virus in order to create a vaccination that can ryevent others from being infected in the future
The same virus may appear in different forms One strain or the virus may not pose a serious threat. while another strain could be deadly
The Spanish nu killed an unprecedented number or people. No other innuenza virus in history is known to have caused so many ratalitjes
Most viruses do not usually transmit from animals to humans
However. a mutation in the genetic material of an animal virus could occtr. thus making it able to transmit to people
When two different viruses exchange genetic material. it creates a virus
Work in a small group. Take turns answering the following westion. Write Considering the topic your ideas in the small circles of the graphic organizer. Afterwards, share your grotv's ideas with the whole class
Based on the tme of the presentation -Avian Flu - A Potential Pandemic ?' what questions do you have about the topic? Add more circles if needed
What does avian mean
What are its symptoms
Who is mostly infected with this virus
Avian Flu — A Potentid Pandemic
Where does it take place
How can we avoid it
What makes it a unique virus
Definitions
easily harmed or affected by something
a change or alteration in genetic material
combined from two different species
able to be easily spread to others
never seen or done before
organisms or a species that have unique characteristics
an injection that protects against a virus or disease
a sudden appearance and spread of disease
to transfer from one place to another
a very small organism that causes disease
While You Listen
Listen to the presentation. Take notes mder the following headings the presentation in yow notepads. Listen a second me to complete your notes. Then compare and combine your notes a partner to improve yow oudine
l. What is Avian Flu
II. Jumping the Species Barrier
Ill. Possibility of a Pandemic
IV. Actions Taken
Comprehension and understand
Listen to the presentation again if necessary
Whatis avian flu ? What is the name of its virus
Avian flu is a viral infection that affects birds. The name of the virus is H5N1
. What does the term -jump species barrier mean
"Jump the species barrier" means that the virus has the abilitv to transmit from birds to humans
. What are two ways in which the avian flu virus could merge vath a human flu virus
One way is for the human flu virus and the avian flu virus to meet in a persons o yan exc ange genes secon way IS viruses
. Why is it difficult for scientists to develop a vaccine against the avian flu
It is difficult to develop a vaccination because the virus is constantly changing and evolving
. Why do infected migratory waterfow pose a threat in the spread of avian flu
Migratory waterfowl pose a threat because they can spread the virus across the go an canno econ roumans
Words and Phrases
saliva. feces. and mucus
A. body secretions
B. parts or the body
C. types of food
domesticated poultry
A. farm animals
B. farm birds
C. wild birds
lethal
A. unusual
B. contagious
C. deadly
merge
A. to dominate
B. to unite
C. to meet
triggering
A. causing
B. infecting
C. preventing
contract
A. to become smaller
B. to transmit
C. to become ill with
contain
A. to limit
B. to destroy
C. to hold inside
Context Clues
based on student's knowledge of how viruses spread
threat to bird populations / farmers
killed
Avian flu virus and human flu virus become a hybrid virus
spread the flu virus across the globe / global pandemic
human- to - human transmission from her sick daughter
control the spread of the virus / decrease the potential of spreading
Identifying context clues
Read the following list of words and phrases. Then listen carefully for context clues that help you determine the meaning of each word or phrase. Write the context clues in the chart and choose the best definition for each word or phrase. Compare your answers with a classmate
Context Clues
Skills Focus Context Clues
Strategy
Using Context Clues When you listen to a lecture or a presentation in English. it can sometimes be challenging to understand every word. However. you can often get the general meaning of a word or phrase by listening carefully for context clues Context clues include
• surrounding words sentences, and ideas
• synonyms and paraphrases
• transitions
• intonation and speaker's tone of voice
• your own knowledge of the topic
• images
Work in a small group to disass the following question
. Have there been outbreaks of avian flu in your country ? What was done to contain it
. Do you think it is necessary to kill all inected and potentially inected poultry
. Creating flu vaccinations is an ongoing process that can take mmths. Wtklt steps do you think are involved in manufacturing vaccinations
EXIT TICKET
What do you want to change
What did you like most