-Can you wait for _____________ minutes？        

-No，we must hurry up, we have __________ time left.[ ]

A. a little；few

B. few; a little

C. a few；little

D. a little；little

跨省市和全国范围的作物估产所采用的地理信息技术是

A．全球定位技术

B．人工科学考察

C．地理信息系统

D．遥感