唇癌或面部皮肤癌手术切除较容易,整复效果较好,多采用手术治疗。
参考答案:对
己知1+x+x2+x3=0,则1+x+x2+x3+…+x2008的值为______.
-Hello! This is Henry Speaking. I'd like to speak to your father.
-Sorry, he has Shanghai. [ ]
A. been in
B. been to
C. gone to
D. come to