多光谱照相机主要用于航空和航天遥感侦察。
参考答案:对
—Do you know _____ the MP5 player last week?
—Sorry, I have no idea.
A. how much did she pay for
B. how much will she pay for
C. how much she paid for
D. how much she will pay for
为了及时总结物业经营的状况,物业管理公司需经常对物业的财务状况进行评估,并将评估结果向业主委员会报告。 ( )