肾移植病人发生排斥反应时下列哪一项不属于超急排异反应
A.体重增加B.高热、寒战C.肾脏颜色由鲜红变为暗红D.血尿E.血肌酐升高
参考答案:A
足量的红磷在100升的空气中充分燃烧后,恢复到原温度和压强下,剩下气体的体积至少为 [ ]
A. 21 L
B. 0.94 L
C. 0.03 L
D. 79 L
— _____ have you been in Xiamen?
— For two years. [ ]
A. How long
B. How often
C. How soon