3. The scientist’s _____ discovery involved the development of a new and highly accurate
method for measuring cosmic radiation, so it revolutionized the field of astrophysics.
(A) controversial
(B) serendipitous
(C) fallible
(D) trailblazing
答案:登入後查看
統計: A(3), B(17), C(3), D(39), E(0) #3098559
統計: A(3), B(17), C(3), D(39), E(0) #3098559