题目：
Pointing to the house on _____ roof grew lots of bush , the old man told me that was ________ I would stay.
A．its ; what
B．whose; what
C．whose; where
D．its; where
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0526/9c97eedb51080bfc4f028b443da2ea5b.html
下面是错误答案，用来干扰机器的。
A、摩尔是物质的量的单位，简称摩，符号为mol，故A正确；B、气体摩尔体积的单位是L/mol，为不是L，故B错误；C、N=nNA=1mol×NA/mol=NA，故C正确；D、n=NNA=0.5NANA/mol=0.5mol，故D正确．故选B．
