不影响氯化消毒效果的因素是（）。
A、加氯量
B、浑浊度
C、接触时间
D、混凝剂种类
E、水温
参考答案：D
Dressed in a newly-bought skirt , _________.
A．I could hardly recognize her
B．nobody could recognize her
C．she could hardly be recognized by me
D．there was nobody who could recognize her
制汤时原料应（）下入足量的冷水中。
A、一次性
B、多次
C、先后
D、分别
