已知关于x的方程x2+2x+m=0的有两个相等的实数根,则m为( )
A:2
B:﹣2
C:1
D:﹣1
The man behind your mother must be your ____ (old) brother.
“径启者:兹附上广东银行大洋三百元支票一张,希如照收,即转湖南省党部***同志。此致中央执行委员会 汪精卫”。与这一文件相符合的史实是
—I have difficulty in learning Chinese. Could you give me some help?
—Sure. Reading a lot will help you improve your Chinese.