What I want toto teenagers is that being addicted to the Internet will to some extent do h

问题补充：

What I want toto teenagers is that being addicted to the Internet will to some extent do harm to both mental and physical health．

A. get off

B. get through

C. get across

D. get down

答案：

A. get off

B. get through

(答案→)C. get across

D. get down

解析：考查词组辨析：A． get off下车B． get through 接通C． get across传达D． get down下来，句意：我想给年轻人传达的是网瘾在某种程度上对精神和身体健康都有伤害。选C。