Does she _____ a book that Black wrote?[ ]
A. haves
B. have
C. has
D. had
答案:B
舟状头畸形成因()。
A.一侧冠状缝早闭
B.双侧冠状状缝早闭
C.额缝早闭
D.矢状缝早闭
E.冠状缝和矢状缝等多条颅缝同时出现早闭
美国之所以能够具有很多创新产品,与其制度和文化有着密切联系。