一辆汽车在平直的公路上行驶,下图中能够表示该汽车做匀减速直线运动的图象是[ ]
A.
B.
C.
D.
答案:C
It was really annoying; I () get access to the data bank you had recommended.
A. wouldn’t
B. couldn’t
C. shouldn’t
D. needn’t
竖炉生产的球团矿属()球团矿。