单项选择题

The author imply that ______.

A．The US's Monsanto agreed with the results of Chinese scientists study
B．GM cotton is an ideal crop
C．The US's Monsanto dismissed the research for its own profit
D．Cotton bollworm has no resistance to Bt cotton over time

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热门试题

单项选择题

The world yields (line 13) means ______.

A．plants
B．giving up
C．establishment
D．productions

单项选择题

The words intelligent and brilliant in the first paragraph probably mean ______ while dull in the second paragraph means ______.

A．bright and splendid... slow in thinking and understanding
B．pretty and handsome... ordinary - looking
C．great and important... common
D．hopeful and helpful... careless