Paris has in history been the center of________
A. can be found in Paris
B. the major events of the nation
C. of the country's industries
D. a lot of cinemas and theatres
E. has been growing steadily
F. has been decreasing rapidly
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A. speech
B. tongue
C. dialect
D. language
Processing sewage creates large quantities of______
A. water
B. electricity
C. gas
D. oil
According to the Kobata method,______of activated carbon can be obtained from used tires.
A. 1.5 kilograms
B. 7 kilograms
C. more than one fifth
D. 93 percent
When Washington D．C．was burned in 1814, Dollety Madison rescued many official papers from the White House.
A. stole
B. filed
C. hid
D. saved
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