客户服务与管理能力是一个店铺的“软实力”，优质的客户服务与管理是提高店铺转化率，提升客户购物体验，促进客户二次购买的有效方式。
A、正确
B、错误

单项选择题实验中亚铁氰化钾的作用（ ） A、稳定 B、澄清 C、催化 D、增色

单项选择题It is the time when students are expected to work on their own at their own speed. It is very important form of learning for the students with the opportunities to process information and consolidate learning in a quiet manner in their own pace. A、Individual study B、Group work C、Pair work D、Whole class work