A:1, 1e2 +2
B:1,e2﹣2
C: 1e2 +2,e2﹣2
D:e2﹣2,+∞)
补充成语
兵荒马____ 情深____
water
蔗糖溶液中溶质是____ ,碘酒中溶剂是____.
In this photo, my little brother ____ (eat) an ice cream.