某班学生学习中国近代史《列强侵华战争》专题时，制作了年代尺。下面对此年代尺的四处信息解读最准确的是( ) A．这场战争发生的根源是林则徐领
化学与生活密切相关。 (1)下列生活用品中，其主要材料属于天然纤维的是________(填字母)。 A．塑料保鲜薄 B．橡胶手套 C．棉布围裙 (2)我们常
下列做法不符合“节能减排”的是（ ） A. 加大对核能的利用 B
Buster Brown was a thief—and a good one, too ,he thought. He’d never been caught by the police because he never took chances .He was always prepared for any unforeseen event or emergency.
Bruce Horowitz writes in USA Today that Domino’s Pizza is changing its pizza recipe . It will be a completely new pizza with a different crust, cheese , and sauce. Some observers say that the compan
有关生物进化的描述，正确的是( ) A．种群是生物进化的基本单位，物种是繁殖的基本单位 B．种群的基因库一定随个体的死亡而逐渐变小直至消失 C．
在反应X+2Y﹦R+2M中,已知R和M的摩尔质量之比为22:9,当1.6gX与Y完全反应后,生成4.4gR,则在此反应中Y和M的质量比为 A．16:9 B．23:9
Panda Journey 任务型阅读 Many teenagers in Taiwan are anxiously counting down the days to the arrival of two giant pandas from the other side of the Straits. A group of 17 animal experts came
