Learning from past failures, researchers realized the importance of
A. putting some inexpensive sensors in stoves.
B. focusing on how stoves are actually used.
C. cooperating with mobile-phone companies.
D. possessing laboratory data about how stoves work.
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______are the earliest settlers in Britain.
A. Romans
B. Celts
C. Iberians
D. Anglo-Saxons
Why did the American adviser accuse？
A. U.S. military"s concealing of the situation in Iraq.
B. Peacemaking troops" postponed withdrawal.
C. Iraqi army"s violent behavior. of killing U.S. soldiers.
D. Iraq"s incompetence in maintaining Iraq"s peace.
According to the passage, "Ultimate Favourite Things" show
A. is a program for women.
B. reflects economical crisis.
C. sends out gifts to audience.
D. is to celebrate Thanksgiving.
In what kind of areas do researchers find high caffeine levels？
Areas near wastewater treatment plant.
B. Areas that are densely populated.
C. Areas where rivers enter the ocean.
D. Areas far from large population center.
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