假如2010年甲一天的劳动力价值为80元,可以购买面包40个,2011年通货膨胀率为25%,则2011年甲一天的劳动可以购买面包
A.32个
B.34个
C.40个
D.50个
答案:C
It was dark when Mary went out. I wonder how she ______ through the black lane by herself.
A.dared not to go
B.dare going
C.not dare go
D.dared to go
中、细破圆锥破碎机的给矿口宽度一般在B=(1.30-1.35)D。