老北京人一家两、三辈人多住小四合院，其中长辈住（）。
A.正房
B.厢房
C.东房
D.南房
参考答案：A
根据句意及首字母提示填上句中所缺的单词。
1. I will have a job i________ tomorrow. I need to look smart
2. I'm afraid your skirt is out of s________.You should buy a new one.
3. He walked a________ the station and looked for his son.
4. Young people today need to e________ different things.
5. Are they for or a________ the idea?
从生物在分类中的位置可以看出生物之间的哪种关系（ ）
A．亲缘
B．食物
C．环境
D．外形
