旅行社质量保证金用于赔偿因旅行社原因所造成的旅游者损失和合作单位损失。
参考答案:错
解析: 旅行社质量保证金专款专用,只用于对旅游者损失的赔偿。
When I enter this classroom, I always feel the ______ pressure of study, for I have so many opponents to compete with.
A.invisible
B.invaluable
C.insensible
D.impolite
发育