全程陪同导游人员是国内组团旅行社的代表，对所率领的旅游团负有全责，因而在整个旅行活动中起主导作用
参考答案：对
有3条对称轴的三角形是[ ]
A．等腰三角形
B．等腰直角三角形
C．等边三角形
Can you think _____? [ ]
A. what is his job
B. what does his job
C. what his job does
D. what his job is
