Mrs. Obama introduced the Let’s Move yesterday. Its goal is to reduce children obesity(肥胖) today and in the future.
A. challenge
B. battle
C. campaign
D. behavior
网友回答
A. challenge
B. battle
(答案→)C. campaign
D. behavior
解析：本题考查名词辨析。句意：Mrs. Obama发起了“让我们动起来”运动；目标是减少今天和将来的孩子的肥胖问题。campaign战役；运动,活动。