根据下面表中提供的信息，分析我国耕地、人口、粮食三者的变化情况，回答问题：
我国提高人均粮食占有量最有效的办法是（）。
A．扩大种粮面积
B．大批进口粮食
C．提高单产以增加粮食总产量
D．控制人口数量的增长
参考答案：D
解析：
[详解] 本题考查地理知识。从表中可以看出，我国人均耕地减少、粮食总产提高但人均粮食占有量增加不多的主要原因是人口的增加，因此控制人口数量的增长，是提高人均粮食占有量最有效的办法。选D。
| 完形填空。 | |||
| Most of North and South China will have a cold wet day. It 1 cloudy at times. There will be 2 to the north of the Huai River. The day after tomorrow will be 3 . In the Northeast it will be fine. The temperature 4 above zero in the daytime, but at night it 5 below zero again. In the Northwest, there will be snow 6 . The snow will be very 7 in some places. Beijing will be 8 . The temperature will be 2 to 9. Tianjin will be 9 and the temperature will be 4 to 10. Thank you for 10 | |||
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