【单选题】An appropriate title for the passage might be ______.
B.
cultural implication of mobile use
C.
change in the use of the mobile
D.
body language and the mobile phone
【简答题】简述近代中国半殖民地半封建社会的基本特点和主要任务
【单选题】展会有校级和班级之分,校级晨会包括( )。
【单选题】I have five picture books. And my mother buys two story books for me. How many books do I have? [ ]
【单选题】This is a direct result of the________ lifestyle, whose other negative implicatio ns are well documented.
【判断题】在对用户需求进行研究时,只需要掌握现有的购买者数量。
【单选题】当两种单体的 Q 、 e 值越接近越( )。