赞题库-背景图

单项选择题

The twentieth century has witnessed an enormous worldwide political, economic and cultural______.

A．transmission
B．transformation
C．transportation
D．tradition

<上一题目录下一题>

热门试题

单项选择题Each student and teacher______a book.

A．was given
B．were given
C．given
D．was giving

单项选择题Many a man______life is meaningless without a purpose.

A．think
B．thinks
C．is thinking
D．are thinking