整联蛋白介导的细胞与胞外基质的黏着的典型结构为黏合斑与半桥粒。
参考答案:对
Mike seldom asks ______ questions in class, but today he raised ______ fairly good one.
A./; a
B.the; a
C./; the
D./; /
什么是火灾的“三要素”?