乔、灌木种植的树穴应挖成锅底状,上大下小,方便种植。
参考答案:错
"John, get up please. I think you’re old enough______yourself. "mother said. [A] to dress [B] to wear [C] to put on
患者缺失3个月,要求固定修复
如果可以固定桥修复,以下基牙数目确定的影响因素,不正确的是()
A.患者咀嚼习惯
B.邻牙牙槽骨情况
C.邻牙牙周膜情况
D.咬合情况
E.以上都不是