Which of the following is true according to Paragraph 3？
A. Teens having friends who lack sleep are more likely to use drug.
B. The more friends teenagers have, the more likely they are to use drug.
C. The most popular teenagers sleep poorly but do not use marijuana.
D. The most popular teenagers are those who pass their good behaviours on.
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We can infer from Paragraph 3 that companies
A. did not understand what customers experienced.
B. did not record customer-agent conversations.
C. did not allow agents to provide individualized service.
D. did not have enough money to collect information.
Recruiting more poor students is beneficial to______.
A. the realization of American Dream
B. the discussion about K-12 education
C. the creation of a diverse student body
D. the prestige of colleges and universities
The example of carbon nanotubules is cited to show that ______.
A. anti-nanotech sentiment predominates in France
B. nanotech relieves the pain of Parkinson"s sufferers
C. even potential benefit of nanotech may cause worry
D. Consumers Union"s worry about nanotech is negligible
What effect did daylight saving have on the energy consumption of Indiana？
A. It saved 1.3 trillion watt-hours in four weeks.
B. It reduced demand for household lighting only in spring.
C. It resulted in an extra $9 million cost on electricity.
D. It reduced demand for cooling and heating all year around.
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