difficulty, considering, influence, belongs, success, measures Water is important for people. A person could live for a few days without food but he would die within two or three days without water. However, some people don't realize it. They often throw rubbish into water.Some factories even pour polluted water into water, making the water polluted. In my opinion,we should take meatures to protect the limited water resources to keep human beings healthy.
最新问答: 一个受精卵能发育形成复杂的生物体,主要是下列哪项生理过程起作用?( ) 千钧一发的发是什么意思? 类似出淤泥而不染的诗 用“如同我第二个母亲”来形容苏珊是因为( ) (2011•广安)在一次参观中,外地游客丁先生从渠江公园乘电梯到思源广场,在电梯匀速上升的过程中,丁先生的( ) 含近义词:生什么死什么 She carries some medicine because her grandma is sick. 如何快速背诵历史,【我现在是 八年级~~ 丙醇完全燃烧,产生二氧化碳和水的质量比是?产生二氧化碳分子和水分子的个数比是? The teacher demanded ____ his essay immediately. 化石吟中肉体虽早已腐烂化为乌有,生灵之火却悄悄潜行在地下这两句怎么理解? 使用真理绝对性和相对性辩证关系的原理,说明如何正确对待马克思主义 宇宙有没有的白洞 正方形的周长是9又三分之一厘米,它的边长是( )厘米,面积是( )平方厘米. (2013•静安区二模)关于声波和电磁波,下列说法中正确的是( ) C45N-L-63A/2P/30mA C45N-16A/1P BV-500(2x2.5+1x2.5)WC.CEC 这都是 霍金提出了几条黑洞力学定律 苏教版四年级下册数学期末试卷 过点A(3,-2)及两直线3x-5y-11=0和4x+y-7=0的交点的直线的一般式方程为? 把一个长方体切成8个小正方体至少要切几刀