According to this passage, why the farming activities can affect the animals
A. By forcing them farming.
By affecting the quality of soils.
C. By adding chemicals and pollute the waterways.
D. By affecting the environments they live in.
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In which point some sharks are similar with humans
A. Bone structure.
B. Smell ability.
C. Birth mode.
D. Recover ability against diseas
This was the worst violence
A. in the U. S. S. R. since August 1991
B. in the country since 1991
C. in the city since the disintegration of the Soviet Union in August 1991
D. in the city since 1991
The people of Quebec vote on Monday on ______.
A. whether the province will speak English
B. whether the province will join the pre - independence campaign
C. whether the province will become independent
D. whether the province will speak French
Professor James used student volunteers as ______ for his experiment.
A. models
B. cases
C. agents
D. subjects
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