下列现象属于分子运动的是:[ ]
A.黄沙漫天
B.花香四溢
C.尘土飞扬
D.大雪纷飞
答案:B
Ever since Ming furniture went on exhibit in Beijing, there large crowds at the World Art Museum every day.
A.was
B.have been
C.has been
D. were
林肯在一次演讲中说:“我相信我们的政府不能永远忍受一半奴役一半自由的状况。我不期望联邦解散,我不期望房子崩溃,但我的确希望它停止分裂。”林肯所说的“一半奴役”指的是什么[ ]
A.英国对北美的殖民统治
B.全国有一半人受到奴役
C.南方实行奴隶制
D.北方工人受到资本家的压制