36. The sun’s rays can produce a vitamin called vitamin D which is great to keep our bones healthy, but too many rays absorbed
by our skin can be dangerous, and may cause ____ damage.
(A) last
(B) lasted
(C) lasting
(D) the last
詳解 (共 2 筆)
未解鎖
紫外線可以產生維他命D,它可以維持我們骨...
未解鎖
absorb 吸收、承受last 夠用、...