15. As plastics______ to micro level and enter the food chain in our oceans, it's a problem that affects all of us and can only be solved by all of us.
(A) break up
(B) break down
(C) shut down
(D) turn down

As nplastics break down to micro level and enter the food chain in our oceans, nit's a problem that affects all of us and can only be solved by all of nus.n

當塑膠物細微分解進入海洋, 會變成影響每個人的問題 ,而且只有我們可以解決(問題)
(A) break up 打碎
(B) break down 分解
(C) shut down 關閉
(D) turn down 拒絕  

As plastics break down to micro level and enter the food chain in our oceans, it's a problem that affects all of us and can only be solved by all of us.

當塑膠分解成微小程度進入海洋中的食物鏈時, 它就會變成影響每個人的問題 ,而且只有我們可以解決的問題

(A) break up 分手
(B) break down 分解
(C) shut down 關閉
(D) turn down 拒絕