36. Louis T. Wright, a surgeon, developed ingenious orthopedic braces, ___________, and supervised the first use of Aureomycin on human patient.
(A) treating skull fractures that he pioneered in
(B) pioneered in treating skull fractures
(C) which pioneered in treating skull fractures
(D) he has a pioneer in the treatment of skull fractures
答案:登入後查看
統計: 尚無統計資料
統計: 尚無統計資料