下列属于影响加酶洗衣粉的效果的因素是[ ]
A．水温、水量、水质
B．洗衣粉的用量、衣物的质地、大小
C．浸泡和洗涤的时间
D．以上都是
答案：D
Why do we have to ________ Joan’s selfish behavior? She should learn to care for others.
A．keep up with
B．catch up with
C．put up with
D．come up with
用魔术棒工具进行选择时，按（）键加选区域。
A、Ctrl
B、Shift
C、Alt
D、Tab
