造成清末元气大伤的太平天国起义,历时十四年,其领导人是谁?
参考答案:
天王洪秀全
North Korea has always sought for a direct talk with the US, without China ________.
A.involving
B.to involve
C.involved
D.be involved
四冲程发动机活赛从下止点向上止点运动时,是()行程。
A.压缩
B.排气
C.压缩和排气
D.压缩或排气