下图的发明使人类直接参加劳动的“手“被解放出来,它是
A.珍妮机
B.蒸汽帆
C.水利纺纱机
D.飞梭
答案:A
Mr. White preferred ______at home with his children rather than ____ out for Christmas.
A.to stay; to go
B.stay; go
C.to stay; go
D.stay; to go
诗句“洒上空枝见血痕”中包含了哪两种动植物?