摩擦端承桩
参考答案：
桩顶竖向极限荷载由桩端阻力和桩侧阻力共同承担，但桩端阻力分担荷载较大的桩。
He does help others, but he always expects returns ____. As a result, nobody will accept anything from him.
A．at no time
B．in no time
C．for no time
D．after no time
以下属于中餐宴会特点（）
A.人数多
B.档次高
C.品种多
D.经营活动多样
