一般来说，到了旅游离境前阶段，游客表现出的心理特征是求安全。( )
参考答案：错
解析：“求安全”改成“忙于个人事务”。
既能活血，又能止血的药物是（）。
A.蒲黄
B.五灵脂
C.血竭
D.水蛭
E.茜草
Nowadays, many people walk to work _____ Copenhagen Conference calling for living a low-carbon lifestyle
to cope with global warming. [ ]
A. in relation to
B. in response to
C. in addition to
D. in opposition to
