2014年2月，中国在南极正式建成的第四个科学考察站是
A．长城站
B．中山站
C．昆仑站
D．泰山站
答案：D
题目分析:本题为时政题，解析略。
以下哪一个不属于拍卖网站（）
A.eachnet.com
B.yabuy.com
C.altavistA.com
D.clubciti.com.cn
Do "margin" in the stock market and "margin" in the futures market, respectively, mean that an investor has received a loan that reduces the amount of his own money required to complete the transaction "Margin" in the stock market"Margin" in the futures market ①A. No No ②B. No Yes ③C. Yes No
A．
B．
C．
