46. What is the passage mainly about?
(A) Useful cellphone applications.
(B) Injuries caused by cellphone use.
(C) Dangers of texting while walking.
(D) Reasons for emergency room visits.
詳解 (共 2 筆)
未解鎖
這段文章主要是什麼? (A)有用的手機...
未解鎖
Believe it or not, t...