1. What is the author’s primary purpose in paragraph A?
(A) To introduce the context and significance of new stem cell treatments
(B) To argue against conventional treatments for AMD
(C) To describe the anatomical structure of the retina
(D) To compare AMD with other ocular diseases
答案:登入後查看
統計: A(8), B(3), C(0), D(0), E(0) #3430707
統計: A(8), B(3), C(0), D(0), E(0) #3430707