朱砂的成人每次用量是( )
A．1～5g
B．2～10g
C．0.1～0.5g
D．0.01～0.1g
E．0.3～1g
参考答案：C
Uncle Wang gave all his savings to the Hope School _______ he himself was not rich.[ ]
A. because
B. as if
C. though
D. or
汽车的平均燃料消耗量是指汽车在平坦公路上行驶时的平均燃料消耗量，单位是（）
