unit1
further reading 1
1Y 2N 3N 4NG 5N 6Y 7Y 8Suggested answer: $225 million
9Suggested answer: stroke or brain injury
10Suggested answer: networks of clinicians
further reading 2
1N 2Y 3Y 4N 5NG 6N 7Y 8Suggested answer: medical ingredients
9Suggested answer: what it believes
10Suggested answer: plus factors
UNIT2
further reading 1
1NG 2N 3N 4N 5Y 6N 7Y 8Suggested answer: the transport of dangerous substances 9Suggested answer: one of the 21 transfer stations
10Suggested answer: the chemicals-collection station
further reading 2
1C 2C 3B 4C 5B 6A 7A 8Suggested answer: funding cuts
9Suggested answer: the War on Terrorism
10Suggested answer: taken a hit
UNIT3
further reading 1
1N 2Y 3Y 4Y 5N 6N 7Y 8Suggested answer: social interaction
9Suggested answer: the more experienced executives
10Suggested answer: remaining in the workplace
further reading 2
1Y 2N 3Y 4N 5Y 6NG 7Y 8Suggested answer: garbage and poisonous chemicals 9Suggested answer: clean water
10Suggested answer: plastic fishing line
UNIT4
further reading 1
1Y 2N 3Y 4NG 5Y 6N 7N 8Suggested answer: equality
9Suggested answer: formal and polite
10Suggested answer: direct or demanding
further reading 2
1A 2C 3D 4C 5D 6A 7B 8Suggested answer: refined starch and sugar
9Suggested answer: Quality of diet
10Suggested answer: most fruits
UNIT5
further reading 1
1Y 2Y 3N 4NG 5Y 6N 7N 8taste
9 terrorism and the World Trade Center
10more limited coverage
further reading 2
1Y 2Y 3NG 4N 5N 6N 7Y 8confidence in them
9the nature and seriousness of the crime
10Connecticut General Life Insurance Company
UNIT6
further reading 1
1N 2NG 3Y 4Y 5Y 6N 7Y 8horizontal axis design
9inside the nacelle 10ten times
further reading 2
1NG 2N 3Y 4N 5Y 6Y 7N 8The United States
9vehicles and power plants
10one-third
UNIT7
further reading 1
1NG 2Y 3N 4N 5Y 6Y 7Y 8explosion
9tsunamis 10electrical system damage
further reading 2
1N 2Y 3Y 4NG 5Y 6Y 7Y 8nuclear power
9liming 10conserving energy
UNIT8
further reading 1
1N 2Y 3Y 4NG 5N 6Y 7N 8insecurities and anxiety
9a challenge 10on top of things
further reading 2
1N 2NG 3Y 4N 5N 6Y 7Y 8racial minorities
9 130 million 10 800,000
UNIT9
further reading 1
1Y 2Y 3N 4N 5Y 6N 7NG 8municipalities and construction companies
9$10 to $40 10drop-off stations
further reading 2
1N 2N 3N 4N 5NG 6Y 7Y 8president of the Medical Association of the State of Alabama 9 ten years 10criminal trespass and theft charges
UNIT10
further reading 1
1Y 2Y 3N 4Y 5N 6NG 7N 8that we tag with an emotion 9fuel efficiency 10three-quarters
further reading 2
1A 2B 3C 4C 5D 6A 7D 8most famous book
9mental collapse 10a form of brain cancer