单项选择题

通过改造中低产田，可使每公顷产量提高1500公斤以上。______

A.The grain output per hectare can be increased by more than 1500kg after the upgrading of medium-and low-yield land.
B.The grain output per hectare can be increased by more than 1500kg through the upgrading of medium-and low-yield land.
C.It is possible for the grain output per hectare to be increased by more than 1500kg after the upgrading of medium-and low-yield land.
D.It is possible for the grain output per hectare to be increased by more than 1500kg if the medium-and low-yield land is upgrade.

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热门试题

单项选择题A nation’s greatest wealth is the industry of its people.______

A.一个国家最大的财富就是民族工业。
B.一个国家最大的财富就是人民的勤劳。
C.一个民族最大的财富就是人民的工业。
D.一个民族最大的财富就是民众的兴旺。

单项选择题中国水域、草原、山地资源丰富，开发潜力巨大。______

A.China’s water, grassland and sloping land resources are rich and the potential for exploitation is great.
B.Rich in water, grassland and sloping land resources, China’s potential for exploitation is great.
C.China has rich water, grassland and sloping land resources, which have great potential for exploitation.
D.China’s water, grassland and sloping land resources which have great potential for exploitation are rich.

单项选择题中国现有草地面积3.9亿公顷，其中可利用面积3.2亿公顷，居世界第三位。______

A.China has a grassland area of 390 million hectares, of which about 320 million hectares can be used, which places China third in the area of usable grassland.
B.China has a 390 million hectares grassland. In the grassland, about 320 million hectares can be used, and it place China third in the world in the area of usable grassland.
C.There is 390 million hectares grassland in China, of which about 320 million hectares can be used, which places China third in the world in the area of usable grassland.
D.There is 390 million hectares grassland in China. Among these hectares, we can use about 320 million hectares, and it makes china ranking the third in the world in the area of usable grassland.