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？
