A:3x+5y=8xy
B:(﹣x3)3=x6
C:x6÷x3=x2
D:x3•x5=x8
补全对话。
Anna: ____.
John: ____. Can I have a look?
Anna: ____. Here you are.
John: ____.
John: You are welcome.
A. Sure!
B. I have a nice cat.
C. Oh, really?
D. Thank you.
E. Oh! It's nice. I like it.
某考察团考察了下图所示地区,图示区域内,与古代相比,当代 ( )
写出下列词语的反义词: small-____
读地球公转图(如图),回答以下问题。