某溶液中含有CO32- 、SO42-、Cl- ，若只允许取一次该溶液而把三种离子一一检验出来，则： （1）先检验 ，加入 试剂，离子方程
Towards evening, Jennifer was walking on the beach with a gentle breeze blowing through her hair. Looking up at the golden red sun ball, she was surprised by its color, deep red in the middle, softl
阅读下列材料： 材料一 不结盟国家的国家元首或政府首脑注意到，在从以霸权为基础的旧秩序向以各国合作以及建立在自由、平等和促进繁荣的社
When I was growing up, I was embarrassed to be seen with my father. He was severely lame and very short, and when we would walk together, his hand on my arm for balance, people would stare. I would
随着全球环境的恶化，为保护环境，越来越多的人选择过“低碳生活（low-carbon life）”即减少二氧化碳的排放，低能量，低消耗，低开支的生活。请写
Our brains work in complex and strange ways. There are some people who can calculate the day of the week for any given date in 40,000 years, but who cannot add two plus two. Others can perform comp
She was so angry and spoke so fast that none of us understand_____ she said meant. A.that B.what C.that that D.what what
【辞】下列各选项中加点字的解释不正确的一项是 A臣以供养无主，辞不赴命。《陈情表》（辞退） B大礼不辞小让《史记·项羽本纪》（计较） C欲以广
