成人文盲率=文盲人数/全部人口数。( )
参考答案:错
解析: 成人文盲率是指15岁及15岁以上文盲和半文盲人口占15岁及15岁以上人口的比重。
The fruit ________ fresh in his fruit stand ________ well. [ ]
A. look, sell
B. looking, sells
C. looked, sells
D. looking, is sold
最小干舷计算时,应作哪几方面的干舷修正?