It can be inferred from the passage that
A. the U.S. legislators are alarmed about sleep-deprived doctors.
B. the doctors should sleep much more than the ordinary people,
C. the U.S. government as well as many ordinary people never pays enough attention to the problems.
D. at the very beginning, the doctors insist that their sleep problems will lead to serious consequences.
查看答案
A．rather thanB．butC．andD．in order to
A. rather than
B. but
C. and
D. in order to
The 1990s' decision led Shell to
A. reduce its reserve.
B. start new projects.
C. shrink its assets.
D. lower the prices of oil.
The word "ammo" (Line 7, Paragraph 2) most probably means
A. fast-food.
B. studies on obesity.
C. lawsuits about fast-food.
D. facts against fast-food.
If the CDC's map turns all red, it means
A. they keep good record of the influenza eases.
B. Philip Polgreen and his colleagues are successful.
C. there is no cases of influenza.
D. there is a wide outbreak of influenza.
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