父亲,真爱“找”事 父亲是个农民,在地里忙活了大半辈子。平日无事,总爱“找”事。 父亲啊,你真闲啊! 那次,本来艳阳高照,突然不知老天被
If you’re a male and you’re reading this, congratulations: you’re a survivor. According to statistics, you are more than twice as likely to die of skin cancer as a woman, and nine times more
图7示意某地区1月份日照时数分布。日照时数等值线单位为小时,相邻等值线的差值为20小时。按图示方法在图中标注出另外三条日照时数等值线的数值
实数x分别取什么值时,复数z=x2+x-6+(x2-2x-15)i对应的点Z在: (1)第三象限; (2)第四象限; (3)直线x-y-3=0上?
(1)将2.3g金属钠放入水中,要使100个水分子中溶有1个氢氧根离子,则需要水的质量为______。(2)已知7.6gA与9.6gB恰好完全反应,生成WgC和4.4gD。在相同
——Shall I inform him of the change of the schedule right now? ——I am afraid you ______, in case he comes late for the meeting . A.will B. can
Outside our hotel in Ho Chi Minh City, Vietnam, an old woman waited beside door with her hand outstretched.Every day I put my hand in hers as our eyes met.She never failed to__1__ smile, my grasp,
A、B两质点的运动情况如图所示,下述正确的是()A.时,B质点运动方向发生变化B.时,A、B两点间距离一定等于C.A、B同时由静止出发,朝相反的方