【单选题】Unit 3-Short Passage What did the speaker's friend help him with?
【判断题】Every morning the speaker's friend would look forward to seeing the speaker's friend pass by.
【判断题】The speaker's friend used to commute to work daily by train.
【单选题】下列关于 24h回顾法的叙述,错误的是( )
A.
24h一般是指被调查者从最后一餐吃东西开始向前推24h。
B.
24h回顾调查法可用于小型的课题研究,但不适于大型的全国膳食调查。
C.
具体询问获得信息的方式有很多种,其中最典型的方法是使用开放式调查表进进行面对面的询问
【简答题】下列关于24h回顾法的叙述,错误的是( )。
【判断题】sometimes the speaker's friend would drop some money into the old man's cup.
【单选题】在计算机网络中,传输二进制数据通常采用一个一个字位的串行传输方式,传输速率的计量单位有( )(bPS),也常称为比特率、波特率。
【单选题】What do we know about Mary Jackson?
A.
She is the speaker's friend.