With regard to the vaccine, it can be inferred that
A. the production of the vaccine was timely and successful.
B. there were enough vaccines before the influenza peaked.
C. not all people got equal chance to get vaccinated.
D. none of any football team members got vaccinated.
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What do we learn about this test from David Cowans comment？
A. The test is promising and could be adopted right away.
B. The test is far from meeting the rigorous standards required by sport.
C. The test needs to be improved in the hope of not wronging an athlete.
D. The 2012 Olympics in London will adopt such anti-doping test.
The word "deference"(Line 1, Paragraph 5)most probably means
A. respect.
B. reference.
C. connection.
D. restoration.
Which of the following is true according to Paragraph 4？
A. Illegal immigrants have more chances to stay permanently in the U.S. than guest workers.
B. With stepped-up border control, illegal immigrants are more likely to stay in their homeland.
C. Workers in temporary-worker programs usually pay no attention to their visa duration.
D. Guest workers will not stay too long because of the enhanced border enforcement.
The difference between modern cell phones and old phones lies in that
A. it requires more intelligence and education to use modem cell phones.
B. it takes more weeks to get familiar with modem cell phones.
C. modem cell phones are more complicated with many functions.
D. modem cell phones are more mysterious tools for people.
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