31. What is this reading passage mainly about?
(A) how age and lifestyle affect the amazing human body
(B) how elderly people are living longer and longer
(C) how our bodies change and damage from birth
(D) how busy people eat poorer and sleep less
答案:登入後查看
統計: A(844), B(122), C(513), D(87), E(0) #2996058
統計: A(844), B(122), C(513), D(87), E(0) #2996058