问题 单项选择题

从事港口码头建设的中外合资经营企业,经营期在( )年以上的,从开始获利的年度起,“五免五减半”。

A.10

B.15

C.20

D.30

答案

参考答案:B

综合

读某地区等高线地形图,回答下列问题:(12分)

⑴ 图中A地形区名称为           山脉,它属于          板块(2分)

⑵ 图中B河谷地主要粮食作物为         ,分析该谷地农业生产发展的条件(5分)                                                           

                                                                 

                                                                 

⑶ BC之间的河流峡谷地区降水十分丰富,试简要分析其原因。(2分)

                                                                 

                                                                 

                                                                 

                                                                 

⑷ 青藏铁路的修建对青藏地区经济发展有什么意义?(3分)

                                                                 

                                                                 

                                                                 

                                                                 

 

判断题