砖混结构房屋的楼板由横墙支撑时,该结构属于()。
A、框架承重
B、纵横墙承重
C、纵墙承重
D、横墙承重
参考答案:D
---Could you_____ me this book please, Daniel?
--- Sorry, but I_____ it for only half an hour. I haven’t finished it.
A.lend; have had
B.borrow; have bought
C.borrow; have had
D.lend; bought
下面哪一项不是门脉高压的常见表现
A.脾大B.肝大C.食管静脉曲张D.腹水E.痔核形成