在气体流速保持不变的情况下,分离度是随( )的增加而增加。
A.柱长
B.柱长的平方
C.柱长的平方根
D.柱长的立方
参考答案:C
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