如图所示,长度l=2m,质量M=kg的木板置于光滑的水平地面上,质量m=2kg的小物块(可视为质点)位于木板的左端,木板和小物块间的动摩擦因数μ=0.1,现对小物块施
Mary and I see each other ________, but not as often as we used to. A. sooner or later B. once in a while C. in the end D. more or less
（16分）中华民族是有着顽强斗争精神的伟大民族，不畏强暴反抗侵略是中华民族优良传统，阅读下列图片，回答问题:
After living there for one year, they have ________ there. A. accustomed to working B. accustomed to work C. been accustomed to working D. been accustomed to work
二战后初期，有政治家评论马歇尔计划说：“最初不过是一种经济手段，现在却成 为了美国武器库里对付苏联的一种主要武器”。这段话表明马歇尔计
Due to bad management，the company ________half a year after it was started. A．help B．opened C．kept
某位学者描述中国史上的一种制度是“虽无相名，实有相职。虽有相职，却无相权。既无相权，却有相责。”他指的制度应该是下列 A ．汉代的中外朝
My beloved mother has always inspired me and changed my views and attitude towards life． She is sure that I would one day become 36_, and that I would be one of the great ones．She has taught me
