Fill the gaps by using these key words from the text



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Choose the best answer. 
Why did scientists recreate the deadly Spanish flu virus? 
a. To use it as a biological weapon. 
b. To find out why it was so deadly. 
c. To publish its genetic sequence online. 
Why are some experts worried? 
a. Because they think the virus might escape from the laboratory. 
b. Because they think it could be used as a biological weapon. 
c. Because they think it could mutate. 
3. How did the scientists recreate the virus? 
a. They investigated which of the eight genes were responsible for its deadly nature. 
b. They used computer data. 
c. They used fragments of the virus to put together its genetic code. 
4. What did the scientists discover? 
a. The virus was more lethal than they thought. 
b. The virus was as lethal as they thought. 
c. The virus was less lethal than they thought. 
Macmillan Publishers Ltd 2005
Taken from the
Magazine
section in
www.onestopenglish.com 


Complete the table. 
Verb 
Noun 
1. 
publish 
____________ 
2. 
devastate 
____________ 
3. 
inject 
____________ 
4. 
compare 
____________ 
5. 
recover 
____________ 
6. 
contain 
____________ 
7. 
reconstruct 
____________ 
8. 
evolve 
____________ 
Match the words to form collocations found in the text. 
security 
genetic 
flu 
antiviral 
biological 
natural 
high-security 
molecular 
drug 
immunity 
laboratory 
risk 
virus 
weapon 
biologist 
make-up 
Macmillan Publishers Ltd 2005
Taken from the
Magazine
section in
www.onestopenglish.com 



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