描述性统计分析的任务是从数据自身所表现出来的事物实际发生的现实状态中提取其中所携带的信息。( )
参考答案：对
阅读短文，用动词的适当形式填空。
Hello! My name's Mary Brown. 1 1 (be) a girl. I like(喜欢)red. I have(有) a red clock. What's this? It 2 (be)my red pen. 3 (be)that my ruler? Yes, it is. It is a red ruler. What 4 (be)
that? It is a jacket. Is it my jacket? No, it isn't. It__5 (be)Bob's jacket. It's white.
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