汽车燃料经济性是指在保证动力性的条件下,汽车以尽量少的()经济行驶的能力。
A.时间
B.排放污染物
C.耗油量
D.润滑油消耗量
参考答案:C
—I hear Mike refused to tell the truth and was taken away by the police.
---Where did you ____?
A.pick it up
B.put that up
C.make that up
D.take that up
以下哪种物质不是土壤的基本组成物质()
A、固相
B、液相
C、气相
D、冰川