当代中国最大的国家利益是实现社会主义现代化。
参考答案：对
a除b的商是5，那么a与b的比是5：1．______．
Our school will hold a sports meet next week. I'd like to take part in the girls' _______ race. [ ]
A. 200-meter
B. 200 meters
C. 200-meters
D. 200 meter
