“月子弯弯照九州，几家欢乐几家愁。”是哪个时期的民歌？
参考答案：“月子弯弯照九州，几家欢乐几家愁。”是南宋时期的民歌。
在一个有n个元素的顺序表的第i个元素(1≤i≤n)；之前插入一个新元素时，需要向后移动 【2】 个元素。
看图选择正确的答案。
1. Where's Father Christmas? He's in the ______________.
A. kitchen
B. living room
2. My baby brother is in the study? ______________
A. Yes, he is.
B. No, he isn't.
3. My ______________ is in the bathroom.
A. puppy
B. balloon
4. This is my mother, she is a ______________.
A. nurse
B. fork
5. My father likes ______________.
A. reading books
B. computer games
