题目内容

【题目】甜菜是喜凉作物，它是重要的制糖原料。下表代表北半球两个甜菜生产大国平原产区的播种和收获时间。回答下列各题。

国家

播种时间

收获时间

甲国

10月～次年

2月 6月～7月上旬

乙国

4月上旬～4月下旬

9月～10月

【1】甜菜在国际市场上交易量少，其原因最可能是

A．需就近加工 B．生产量小 C．使用量小 D．分布广泛

【2】据材料推断

A．甲国产区纬度高于乙国产区 B．冬季气温甲国产区高于乙国产区

C．甲国产区纬度低于乙国产区 D．冬季气温甲国产区低于乙国产区

【答案】

【1】A

【2】B

【解析】

试题分析：

【1】甜菜是糖料作物，制糖业属于原料指向型工业，需要就近加工，所以在国际市场上交易量少，A对。 生产量、使用量较大，B、C错。主 要分布在中温带，范围较小，D错。

【2】据材料推断，甲国甜菜可以冬季播种，说明能安全越冬，冬季气温较高。乙国是春季播种，说明冬季气温较低。冬季气温甲国产区高于乙国产区，B对，D错。不能判断纬度高低，A、C错。

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第一产业比重(%)

第二产业比重(%)

第三产业比重(%)

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88.0

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29.3

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第二产业比重(%)

第三产业比重(%)

鹤岗

11.3

54.2

34.5

白银

5.6

76.0

18.4

金昌

7.0

78.0

15.0

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