造成数据的辐射误差的主要因素一般会考虑传感器本身或大气散射两个方面。
参考答案:对
已知A(-2,3)、B(-2,-1),将线段AB向右平移5个单位长度后,AB的中点C的对应点C′的坐标为[ ]
A.(3,2)
B.(3,1)
C.(2,2)
D.(2,1)
用方框内所给词语的正确形式填空。
小题1:In spring, the _________ are very beautiful.
小题2:Would you like to take a _________ for me?
小题3:I’m very tired and I want to go to bed early ________.
小题4:The lost child is in ________ now.
小题5:I ________ with my best friend yesterday.