Where are the geography books now
A. In the office.
B. At home.
C. In the school library.
查看答案
设自然数A大于B,则A+B和A+B同为奇数或同为偶数。
A. 对
B. 错
Take something for a while and then return it.
教学设计的书写格式有多种,概括起来分为______、______、______三大类。
在进行考试结果的量化时,常用的记分法有______和______两种。