A:文化对经济具有重大影响
B:经济是文化发展的基础
C:各国文化产业迅速地发展
D:各国文化交流愈加频繁
It's not proper for kids to have too much pocket money because they may buy ______.
句型转换
钟面角是指时钟的时针与分针所成的角,如果时间从下午1点整到下午4点整,钟面角为90°的情况有