气象卫星遥感探测的特点是什么?
参考答案:
(1)空间固定轨道上运行
(2)自上而下进行观测
(3)全球和大范围的观测
(4)使用遥感探测技术
(5)提供丰富的观测资料,受益面广
3.14×0.16的积是______位小数,积保留二位小数约是______.
Look!_____!Do you know them? [ ]
A.Here comes some youth
B.Here some youths come
C.Here come some youths
D.Some youths here come