A:类风湿性关节炎
B:接触花粉引起荨麻疹
C:吃了海鲜而呕吐
D:打扫卫生时打喷嚏
____ I had no time ____ travel, I still felt very happy this holiday.
先分解因式化简,再求值:(x+y3)2﹣(x-y3)2,其中x=﹣94,y=2010.
读右侧程序框图,该程序运行后输出的A值为()