定语从句，即是用一个______代替句子中______的成分
A. 形容词；定语
B. 从句；状语
C. 从句；定语
D. 主句；定语
查看答案
下列句子中是先行词的是She is a girl who is standing in front of the door.
A. door
B. who
C. girl
D. standing
下列句子中，是定语从句的是
A. I have been studying English for 4 years.
B. She has become the best parent possible.
C. A plane is a machine that can fly.
D. I have done homework
统计学中常用的基本概念不包括( )
A. 概率
B. 样本
C. 个体
D. 总体
E. 参数
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