属于咀嚼粘膜的是
A.唇粘膜B.颊粘膜C.软腭粘膜D.硬腭粘膜E.口底粘膜
参考答案:D
I’d rather that you ______ the operation right away.
A.perform
B.should perform
C.will perform
D.performed
何谓阿里山五奇?