—Where is the bookstore?
—Take the elevator _________ the second floor and turn left. And the bookstore is _________ the furniture store and the drugstore.
A:at; next to
B:at; between
C:to; between
D:to; next to
CO2是初中化学重点研究的气体之一.某化学兴趣小组设计了如下实验来探究CO2的制取和性质: