-- Is Chen Jie in the bedroom?
-- _______
A:Yes, it isn't.
B:No, he's in the kitchen
C:Yes, she is.
宋与辽、夏、金议和的相同点是( )
某有机物由C、H、O三种元素组成,分子球棍模型如图所示.关于该有机物叙述正确的是( )
选择正确的答案
寓言《掩耳盗铃》告诉人们( )