现浇钢筋混凝土楼板依据受力和传力情况分为()。
A、板式楼板
B、梁式楼板
C、无梁式楼板
D、复梁式楼板
E、井格式楼板
参考答案:A, B, C
一 You could get a tutor to help with your English.
— _______ But my parents don't have much money. [ ]
A.It doesn't matter.
B.You've welcome.
C.That's a good idea.
D.I don't think so.
热对流是依靠流体(),将热量从高温传到温度较低的部位。
A、压力变化
B、流速变化
C、分子的位置移动
D、分子振动