下列各项中,哪项不是被覆黏膜特征
A.黏膜表面光滑无角化
B.上皮一般较咀嚼黏膜薄
C.固有层含多种纤维
D.结缔组织 * * 较短粗
E.有较疏松的黏膜下层
参考答案:B
To develop the New Economy, we must not only update our economy with advanced science and technology, but also, ________ this new trend of development.
A.in addition to
B.in response to
C.in contrast to
D.in relation to
试述博来霉素的主要临床应用。