ANCA相关性血管炎肾损害最常见的临床表现为（）。
A.血尿
B.蛋白尿
C.水肿
D.高血压
E.肾衰竭
参考答案：A
-Mary has just broken up with her boyfriend.
-_________? I don't want to fall in love with her. [ ]
A. What if
B. What's wrong
C. What about you
D. What of it
了解几种高科技的化学产品，如具有超塑延展性的______；隔水透气的高分子薄膜；小猫安详地坐在高温火焰加热的平板上，也是高分子化学材料，其特点是具有绝热的性质；超强拉力的尼龙绳等．
