出租汽车驾驶员服务质量信誉考核内容包括：遵守法规；安全生产；经营行为；运营服务。
参考答案：对
Some of her photos ______ this exhibition. [ ]
A. is on display in
B. is on display on
C. are on display in
D. was on display in
什么叫总转化率？
