— Have you bought the house?
— No, because I can only _____ 300,000 dollars for it.
A:offer
B:spend
C:charge
D:owe
读图回答,目前人类活动对水循环的影响环节及办法主要表现在( )
15℃时声音在空气中的传播速度是 ____m/s.
既临渤海又临黄海的省级行政区是( )
试根据上表回答下列问题: