k/U的正确名称是()。
A.1一甲基-3-7,基环戊烷
B.顺1一甲基-4-7__,基环戊烷
C.反1一甲基-3-L基环戊烷
D.顺1一甲基-3-7,基环戊烷
参考答案:D
___Chinese character Kong, ___ word that generally means control, has been selected as ___ 2013 character of the year in China.
A.The; a, a
B.A; a; the
C.A;the;the
D.The; a, the
在电子政务建设中,目的是______。