题干
—Your T-shirt is nice. It must be expensive.
—Not at all. I only spend $10 it.
A：in
B：on
C：for
D：of
答案(点此获取答案解析）
B
—Your T-shirt is nice. It must be expensive.
—Not at all. I only spend $10 it.
A：in
B：on
C：for
D：of
要以科学发展为主题，加快建设创新型国家。从哲学上看，党和国家如此重视创新，其依据是（ ）
