问题
选择题
These increased harvests _____ that 22% of the world’s people are fed from just 7% of the farmland in China.
A．means
B．meant
C．mean
D．is meaning
答案
答案：C
本题考查主谓一致。主语是these increased harvests是复数形式，且本句是一般现在时，故谓语动词用复数。句意：这些增加的收成意味着在中国只有7%的土地，供养了世界22%的人口。