What does the underlined word "them" in PARAGRAPH 5 refer to?
A. Gift cards.
B. Americans.
C. $110 million.
D. CEB TowerGroup projects.
What does the underlined word "aggregate" in PARAGRAPH 3 most probably
mean? 查看材料
A. Gigantic.
B. Heavy.
C. Total.
D. Maximum.
What is the author‘s attitude towards online self-gifting?
A. Unclear.
B. Neutral.
C. Negative.
D. Supportive.
()最有代表性的以定性分析为主的政策评估方法称为
A. 量化政策评估
B. 质化政策评估
C. 实验政策评估
D. 指标政策评估