引起错觉的常见因素为()
A．感觉条件差
B．焦虑、紧张等情绪因素
C．疲劳
D．谵妄状态
E．以上都对
参考答案：E
— How often does your sister surf the internet?
— About . [ ]
A. three time
B. three times
C. three time every day
D. three times a day
基于金额的订单
