【单选题】定期船运的"四固定"是指( )比较固定。
【单选题】课文第五段文字表现了玛蒂尔德( )
C.
想摆脱寒酸平庸的生活而置身于上流社会,成为生活优裕、受人奉承的贵夫人
D.
想摆脱寒酸平庸的生活而置身于上流社会,成为生活优裕、受人尊重的小姐
【单选题】三相交流电:three-() alternating current
【单选题】There was a _____ rain yesterday evening. It rained ________.
【单选题】The rain was ___________ we could hardly move forward.
【简答题】The rain was heavy; (consequence) ______, the land was flooded.
【简答题】The rain was heavy and _____ the land was flooded. A. consequently B. constantly C. continuously D. consistently
【单选题】每秒内正弦量变化的次数称为频率,用f表示,单位是( )。
【单选题】______, the workers continued their work in the open.
【简答题】The rain was heavy and ______ (consequence) the land was flooded.