下述不属于可摘局部义齿支持部分的是()
A.天然牙
B.基托覆盖的粘膜,骨组织
C.天然牙和基托覆盖的粘膜、骨组织
D.基托覆盖的粘膜
E.人工牙
参考答案:E
下列术语与表面活性剂特性无关的是
A.昙点
B.克氏点
C.β
D.CMC
E.HLB
She’s having a lot of trouble with the new computer, but she doesn’t know whom to ________.
A.look for
B.deal with
C.talk about
D.turn to