In the last sentence of Paragraph 3 , "fewer but larger farms and fewer but more prosperous farmers" means
A. hired help is seldom needed
B. productivity on the farms has been raised greatly
C. productivity on the farms has fallen sharply
D. more food is never needed
On today's farms, the chief reason why livestock is still raised would probably be______.
A. that farmers' conventions are difficult to be given up
B. that farmers want to gain more profit
C. that farmers have to do so
D. that farmers' work has been replaced by machines
“错题记录”内所显示的试题，是从何而来的？A．系统自动挑选的易错试题B．用户答卷时，但凡是自己答错“错题记录”内所显示的试题，是从何而来的？
A. 系统自动挑选的易错试题
B. 用户答卷时，但凡是自己答错过的试题，都将被自动记录到“错题记录”中
C. 所有用户答错过的试题，都将被自动记录到“错题记录”中
D. 用户答卷时，对于自己觉得很好的试题，可以通过点击试题下方的“保存”按键，将该题保存到“错题记录”中，以便于日后分析总结或强化记忆
The topic of this passage would probably be______.
A. Best Answer to Traffic Problem
B. The Banning of Cars in the City Center
C. The Formation of City Center
D. Searching for Ways to Solve Traffic Problem
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