注意力缺陷多动障碍常见病因有（） A.天禀不足 B.产伤 C.恣食辛热肥甘 D.病后 发布时间：2017-07-07 16:23 │ 来源：www.tikuol.com 题型：多项选择题 问题： 注意力缺陷多动障碍常见病因有（）A.天禀不足B.产伤C.恣食辛热肥甘D.病后失养E.教育不当
题型：多项选择题 根据材料内容选择最佳答案。Wanted Are you hard-working? Do you like to meet people? If your answer is "Yes"; then we have a job for you as a waiter. Call AL Hotel at 5564779!Summer JobDo you like to talk with people? Do you like to write Stories? If you want to work for our magic as a reporter, please call Karen at 5583366.Help WantedDo you like babies? Can you look after a baby for two days? If you are sure to take good care of it, call Mr. Green at 7665898. $80 or more. Today! Be quickCleaner wantedCan you make a large house clean and tidy? If you hope to get paid $20 once, call us this evening from 18:00 to 20:00. Our telephone number is 6338001.小题1:If you want to be a , you can call AL Hotel.A．waiterB．reporterC．cleanerD．driver小题2:If you work as a cleaner every weekday, and once a day, how much will you be paid every week?A．$100.B．$150.C．$200.D．$240.小题3:What is NOT mentioned in the ads?A．Jobs you can choose from.B．E—mail addresses.C．Telephone numbers.D．Time when you are supposed to work. 查看答案
题型：多项选择题 用n个二进制位表示带符号的定点整数时，若采用原码和反码码制，则可表示的数值范围是 (7) ；若采用补码码制，则可表示的数值范围是 (8) 。A．-2n-1～+2n-1B．-(2n-1-1)～+2n-1C．-2n-1～+(2n-1-1)D．-(2n-1-1)～+(2n-1-1) 查看答案