单项选择题

Which of the following is the most suitable title for this passage

A．Bears and bulls
B．The domestication of bears
C．Phrases and animals
D．Bullfighting
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单项选择题
Which institution has offered $ 4.7 million to fund the research
A．The US' s National Institute of Science and Technology.
B．Origen therapeutics of Burlingame, California.
C．Embrex of North Carolina.
D．Animal welfare groups.
单项选择题
By saying Producers would like the same meat quantity but to use reduced inputs to get there ( Line 2 - 3, Para. 3 ), Mike suggests that ______.
A．chicken's quality could be maintained but with less investment
B．chickens' taste could be improved but at less costs
C．chicken' s growth rate could be quickened with less inputs
D．chickens could grow to the same weight but with less feed
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