一匹马的体重是208千克,一头大象的体重是一匹马的8倍,一头大象的体重是多少千克?
208×8=1664(千克),
答:一头大象的体重是1664千克.
1:2000地形图的比例尺精度为()米。
A.0.2
B.0.1
C.2.0
D.0.02
I had just stepped out of the bathroom ______ I heard the steps.
A.while
B.when
C.since
D.after