What is the purpose of the project？
A. To protect areas with high biodiversity.
B. To help control environmental pollution.
C. To rescue endangered living species.
D. To avoid global warming.
The following are reasons for the shipwrecks occurred in Congo EXCEPT
A. unpaved roads.
B. few boats.
C. overcrowded roads.
D. poor maintenance.
Why did British women become indispensable to industry after World War II？
A. Because millions of men died in the war.
Because women had proved their worth.
C. Because women were more skillful than men.
D. Because factories preferred to employ women.
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