50. Which of the following groups is more vulnerable to the problem discussed?
(A) Senior citizens.
(B) Pregnant women.
(C) Japanese and Koreans.
(D) People working under high pressure.

答案:登入後查看
統計: A(9), B(15), C(213), D(40), E(0) #1780095

詳解 (共 1 筆)

#2973570
This phenomenon, cal...
(共 112 字,隱藏中)
前往觀看
9
1