属于狼疮肾炎活动的指标是（）。
A.蛋白尿
B.血尿
C.高血压
D.ANA阳性
E.贫血
参考答案：B
集装箱换装作业的换装方式包括（）。
A.直接换装
B.间接换装
C.垂直式换装
D.水平式换装
E.轮换式换装
As I waited for Mike to arrive, I ________ the clock and saw that he was late.[ ]
A. glanced at
B. stared at
C. glared at
D. watched over
