属于被覆黏膜的是()
A.硬腭的脂肪区
B.牙槽黏膜
C.唇红
D.舌背黏膜
E.牙龈黏膜
参考答案:B
She ____ an old friend of hers yesterday while she was shopping at the department store. [ ]
A. turn down
B. deal with
C. took after
D. came across
职业教育应由过去的终结性教育转变为()教育。
A.形成性
B.习惯性
C.强迫性
D.自然性