广告策划书的撰写要求包括()。
A.格式规范、统一
B.结构清晰,逻辑性强
C.概念形象化,论据数字化
D.文字表达简洁朴实
E.文字表达丰富多样
参考答案:B, C, D
—Nice to see you again after all these years. What _____?
—Well, I’ve tried many things since we left school. I’m now working for a large oil company.
A.have you done
B.were you doing
C.did you do
D.have you been doing
下列各组中,属于同一类群生物的是( )
A.细菌、蘑菇、灵芝
B.松树、蘑菇、灵芝
C.病毒、细菌、鱼
D.蘑菇、灵芝、银耳