已满14岁不满18岁的人犯罪的,()。A、应当从轻处罚 B、可以从轻处罚 C、应当从轻或 发布时间:2018-02-04 01:09 │ 来源:www.tikuol.com 题型:单项选择题 问题: 已满14岁不满18岁的人犯罪的,()。A、应当从轻处罚B、可以从轻处罚C、应当从轻或减轻处罚D、应当减轻处罚
题型:单项选择题 下列装置为中学化学实验常用的气体制备装置 A B C(1)若用NaHCO3和稀盐酸制取二氧化碳,应选择装置 。(2)若用NH4Cl和碱石灰制取NH3,应选择装置 。(3)若用高锰酸钾和浓盐酸不加热制取Cl2,应选择装置 。(4)①某研究性小组查阅资料得知,漂白粉与硫酸溶液反应可制的氯气,化学方程式为:Ca(ClO)2+CaCl2+2H2SO4="2" CaSO4+2 Cl2+2H2O应选择装置 。②为证明氯气具有氧化性将氯气分别通入到亚硫酸钠溶液和氯化亚铁溶液中,设计实验证明亚硫酸钠已经被氧化 。写出氯气和氯化亚铁溶液反应的离子方程式: 。③请写出氯气尾气处理的离子方程式 。 查看答案
题型:单项选择题 马蛔虫体细胞中有4条染色体,用显微镜观察其受精卵卵裂装片,请回答:若马蛔虫受精卵细胞核中DNA含量在细胞周期即将开始时为2a,则在一个细胞周期中核内DNA含量变化的规律是() 查看答案
题型:单项选择题 A. Is that clearB. Can it do some washingC. Why do you think it is usefulD. It appeared several centuries ago, didn’t itE. Will robots be the same as peopleF. What is itG. Could you please tell me more about robots A: Today we are going to talk about a great invention. It looks like a human being. (61) B: It’s a robot. (62) A: Of course not. The first robot was invented in 1921. B: (63) A: Sure. They can take the place of humans to do some boring work. They can also do a lot of dangerous work instead of humans. B: (64) A: No. Robots can do a lot of work instead of people in many ways, but people wouldn’t be replaced by robots. (65) B: We get it. 查看答案