In Britain, people often say Thank you to the drivers when they _______the bus. A. get up B. get off C. get in D. get out
He was sad for ________ any chance of his going to college. A. there being not B. there not being C. not there being D. not being
下列现象与惯性无关的是 A、跳远运动员助跑一段距离才起跳 B、举重运动员把杠铃举在空中不动 C、百米赛跑运动员到达终点不能马上
The plane crashed, killing all the 177 passengers a____________.
文化系统之所以要切实担当起全面建设小康社会和实现中华民族伟大复兴“中国梦”的文化责任,全面推动文化改革发展,是因为( ) ①文化能够
-次函数y=ax+b的自变量x的取值范围为-2≤x≤6,相应的函数值y的取值范围 为-11≤y≤9,则此函数的表达式为
一人向东走了xkm后转向南偏西60°走了3km,结果他离出发点恰好km,则x的值为( ) A.
下列事实不能用勒夏特列原理解释的是( ) A.合成氨工业上增大压强以提高反应物的转化率 B.黄绿色的氯水光照后颜色变浅 C.由H2、I2蒸气、HI