劳动消耗是指什么？
参考答案：
农业生产过程中实际消耗的人力和生产资料
— So you gave her your phone?
— ______. She said she'd return it to me when she could afford her own. [ ]
A. My pleasure
B. Not exactly
C. No doubt
D. All right
纳米和光年都是_____单位，太阳距离我们地球_____1光年（填大于、小于、等于），纳米材料制成的用品有许多奇特的性质，如_____．
