题目
A.密集城区
B.一般城区
C.郊区
D.农村
第2题
A.矩形点群
B.圆形点群
C.椭球型点群
D.方形点群
第4题
A.No one
B.None
C.Nobody
D.Every
第5题
A. to sing
B. sing
C. sings
D. to sings
第7题
I celebrated myself, and sing myself, and what I assume you shall assume,
For every atom belonging to me as good belongs to you
Questions:
1) Please identify the author and the title of the poem that had used when published.
2) What is the theme of this poem?
第8题
第9题
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