有史料记载的南方民族建立最早的 * * 是:()
A、脚趾
B、夜郎
C、南诏
D、吐蕃
参考答案:C
The train leaves at 6:00 p.m. So I have to be at the station ____5:40p.m.at the latest.
A.until
B.after
C.by
D.around
有三个共点力,大小分别为3N,6N和8N,其合力范围是()
A.0N~17N
B.1N~17N
C.1N~11N
D.2N~11N