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问题 选择题

下表是我国某城市郊外四种农作物生产、运费与市场价格资料，分析后完成以下46～48题。

 花卉蔬菜稻米甘薯
市场价格（元／千克）3020126
生产成本（元／千克）151262
运费（元／千克·千米）3.02.00.50.2
单位面积产量（千克）2015410
小题1:该城市可能位于

A．珠江三角洲

B．黄土高原

C．华北平原

D．山东丘陵小题2:四种农作物中，单位面积产量利润最小的农作物是

A．花卉

B．蔬菜

C．稻米

D．甘薯小题3:假如上述四种农产品都提供给同一个消费市场，为了获得一定的经济效益，该城市郊外上述四种作物用地中，离该市场的最远距离不得超过

A．4千米

B．5千米

C．12千米

D．20千米

答案

小题1:A

小题2:C

小题3:D

考查区域农业变化。根据表格中出现“稻米”可选出A。根据表格数据，可算出稻米的单位面积产量利润最小。用市场价格减去生产成本，再除以运费，即可算出市场距离。

阅读理解


News 1
Huang Heshan, a boy from Xinghua, has moved many people all over the country. Thanks to Huang Heshan, Yang Kangshao can go to school every day. Yang is disabled, but Huang Heshan carries him to school on his back. It’s eight years since he started to do that. They help each other. At school, Yang helps Huang with his study, too. Huang says that he feels happy when he can do something to help disabled people.

News 2
In Taizhou, Xiaoqing River is a good place for families to have fun. There are many green trees and the air is fresh. People can have different activities along the river. However, we can also find the waste bags and other rubbish everywhere. How can we get such bad environment? Now we are supposed to keep the park clean if we want to have a nice field trip.

News 3
On March 25, more than four thousand people started to run along Taishan Park. All the runners ran about 4.7 kilometers. They took part in the activity to lead a healthy life and show the spirit of the people in our city. After running, many runners signed their names on the flags. They called on all the people, old and young, to exercise more.
小题1:In News 1, we know Huang Heshan has helped Yang Kangshao for _______.
A．eighteen yearsB．eighty yearsC．eight months 　　D．eight years
小题2:We should _______ if we want to have a nice field trip along Xiaoqing River.
A．throw the rubbishB．find some waste bags
C．plant more treesD．help keep the environment clean
小题3:To lead a healthy life, over four thousand people ____ on March 25.
A．cleaned the parkB．signed their names on the flags
C．ran about 4.7 kilometers D．started to help disabled people
小题4:We may know the news above from _______.
A．a newspaperB．a novelC．a TV playD．a poster
小题5:Which of the following statements is TRUE?
A．Yang Kangshao has trouble with his eyes.
B．Yang Kangshao is better at study than Huang Heshan.
C．Xiaoqing River is very clean and beautiful.
D．Only young people took part in the running activity.
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填空题

闪速存储器能提供高性能.、低功耗、高可靠性以及（）能力，为现有的（）体系结构带来巨大变化，因此作为（）用于便携式电脑中。
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