A:二氧化硫具有漂白性,因而通入紫色石蕊试液中先变红后褪色
B:浓硫酸和浓硝酸在常温下均可迅速与铜片反应放出气体
C:浓硫酸与亚硫酸钠反应制备二氧化硫时,浓硫酸表现强氧化性
D:稀硫酸和稀硝酸都具有氧化性
下列疾病与其它对应的原因搭配合理的是( )。
Xiao Qing is my friend. He is thirteen years old. He is in a big school. There is a playground in the middle of his school. The red classroom building is on its left and on its right is the library. Behind the playground is the dining hall. Xiao Qing and his classmates have lunch there from Monday to Friday. Every day they can eat meat. Today is Friday. They eat beef .There is soup, on Wednesday. It's Xiao Qing's favourite. Basketball is his favourite sport. He plays it on Tuesday and Thursday afternoon. But his classmates play football and jianzi. Today is Xiao Qing's birthday. He wants a football. So he can play it with his classmates.
— I don't agree with you. Ant-man is _________ than Boonie Bears.
某家电厂是一家集体企业,多年来该企业的产品种类多、质量高,市场不断扩大,经济效益逐年提高。就当前激烈的市场竞争中为什么该企业能够取胜,该企业领导在接受记者采访时说,原因是多方面的,其中一个重要原因是我们在分配制度方面进行了改革,实行了岗位工资、绩效工资、计件工资,还设立了技术创新奖、产品质量奖、销售贡献奖等分配方式,收入分配拉开了档次。