IV. Grammar26. Global warming is making the world’s oceans sicker, depleting them ____ oxygen and harming delicate coral reefs more often.
(A) on
(B) into
(C) to
(D) of

The illness depletes the body of important vitamins.

 這種疾病會消耗人體中重要的維他命。

Global warming is making the world’s oceans sicker, depleting them of oxygen and harming delicate coral reefs more often.

*deplete 消耗
to reduce something in size or amount, especially supplies of energy, money, etc.
If we continue to deplete the earth's natural resources, we will cause serious damage to the environment.
The illness depletes the body of important vitamins.

*delicate 
脆弱的；嬌嫩的
needing careful treatment, especially because easily damaged
Peaches have delicate skins which are easily bruised.
Delicate plants need to be kept in a greenhouse during the winter.
Molly's health has always been delicate (= she gets sick easily).
需要小心處理的
needing to be done carefully
Repairing damaged nerves is a very delicate operation/process.

*coral reefs 珊瑚礁