题型:填空题 如图是五种粒子的结构示意图,请回答下列问题:(1)在化学反应中,容易失去电子的是______(填字母),(2)属于同种元素的粒子是______(填字母);(3)若D带有2个单位的正电荷,则X=______. 查看答案
题型:填空题 It is reported that many battles broke out in Middle East. What's your _____ of the situation there? [ ]A. assessment B. anxiety C. comprehension D. consideration 查看答案