A:世界地图
B:亚洲地图
C:中国地图
D:重庆地图
____ ____ good at football.
生活和实验中出现意外情况不要惊慌,要沉着冷静,在使用体温计将体温计打破,散落出来的汞可以撒一些硫粉在上面,使硫与汞发生化合反应生成固体硫化汞.写出硫和汞反应的文字表达式____ ;酒精灯不慎被打翻,在实验台上燃烧起来应立即____ .
—I think teenagers should be allowed to make their own decisions when they have problems at school.
—_______. They're not calm enough, after all.
示意图主要表明了法律与道德_______的区别。( )