—__ animals do you like?
—Penguins.[ ]
A. Which
B. What
C. Who
D. Whose
答案：B
循环水腐蚀结垢状态监测指标要符合行业标准：化工循环水系统腐蚀速率不大于（）mm/a、炼油循环水系统不大于（）mm/a。
