--- You should have recited the text yesterday. --- _______. But I forgot all when asked to recite in front of many students. A. So I should B. So should I C.
已知函数f(x)= 则f[f()]的值是 ( ) A.9 B. C.-9
Business is improving but much more hard work and common sense will be _____ before any profits can be realized. A. put up with B. called for C. gone through
在下列几个实例中,机械能守恒的是( ) A.在平衡力作用下运动的物体B.在粗糙水平面上下滑的物体,下滑过程中受到沿斜面向下的拉力,拉力大
2009年12月12日,我国和哈萨克斯坦总统纳扎尔巴耶夫共同出席中哈天然气管道竣工仪式,并共同按下管道启动按钮。该管道的竣工通气,标志着中国与中
—Mary told me she would﹍﹍computer studies. —Really? I’ll try my best to ask her to﹍﹍such foolish ideas. A. pick up; give up B. put away; give up C. give up; put away
(08北京海淀二模)潮间带常见的浜螺捕食多种藻类,尤其喜食竞争力强的浒苔。据图1判断下列叙述不正确的是 A.浜螺捕食浒苔,其它藻类能获得