网上广告应该着重把握的内容有（）。
A.锁定目标受众
B.做好广告文案
C.实时？效果监控
D.注重画面效果
参考答案：A, B, C
—What’s the best food you have had in Beijing, Alex?
—Roast duck! I to a famous restaurant to have it last week.[ ]
A. have gone
B. go
C. will go
D. went
儿童用药有哪些注意事项？
