Environmental protection is the world's attention, most concerned about. Although our strength is a small, but can be around some little contribution made for environmental protection; for example the most simple, run out of water readily tap or shutting off the lights when leaving, these things are simple, you can still be true, causing a serious waste of resources on the Earth is valuable, is limited, if we now also does not pay attention to, then the world's last drop really want to become our tears, our beautiful blue planet will also be destroyed by human hands.
最新问答: 在一个比例中,两个内项互为倒数,已知一个外项是五分之三,另一个外项是多少 光持石击瓮,(破)之,水迸,儿得活. brochure什么意思 便宜的近义词是什么?反义词是什? 温馨的“馨”下面的“香”换成“耳”是什么字? 东经162度和北纬30度是东半球吗 挥发是把溶质还是溶剂挥发出去? 三个人驻店付30元,每个人10元.老板退5元其中2元归服务员老板算27+2=29,少一元 设Sn是等差数数列{an}的前n项和,若S4/S8=1/3则S8/S16=? 若不是黄土白骨,我守你百岁无忧.若不是生老病死,我陪你天长地久.能不能按照这种句式再帮我想几句, he often l( ) at others and makes them embarrassed We can play the piano,but they ___ A.can't B.aren't 谁能告诉我离子与分子的区别?最好能举例,不要讲得太深奥, 加上 + - × ÷和( )使等式成立 亚硫酸与碳酸钠反应 生成的水是气体么? 由于重力的方向是竖直向下的,所以,地球上所有物体所受重力的方向都相同. 英语翻译商场为了刺激消费,给顾客积分、打折设的一种卡,正面内容是:放大的“VIP”金卡,金卡下面是“Gold card” (2013·高考辽宁卷)概括下面语段的主要信息,不超过50个字(含标点符号)。 does he come back from school every day 解方程.30%X=120 X+X=240 15X-