①给非洲大陆带来深重灾难，使非洲社会生产力遭到极大破坏

②使美州的种植园主获得了廉价劳动力，促进了美洲种植园经济的发展

③使欧洲殖民者获得大量货币财富，促进了欧洲资本主义的发展

用方框中所给的句子填空。请将正确答案的序号填在题后横线上。

Receptionist: ____  Madam?
Alice: I want a single room. I booked（预定）it three days ago.
Receptionist: ____ .
Alice: It’s Alice. Alice White.
Receptionist: Oh, yes. Here it is. You want a single room.
Alice:____  And if it is possible, I’d like a room on the ground floor.
Receptionist: ____  all the rooms on the ground floor have already been taken. But we do have a nice room that overlooks the hotel swimming pool. It is on the second floor.
Alice: Thank you. ____  is the restaurant still open?
Receptionist: I’m afraid not. But you can order room service.
Alice: OK. Thank you

在国际单位制中，磁感应强度的单位是(    )

关于电容器的电容，下列说法正确的是（   ）

A、加热分解  B、结晶法  C、分液法  D、蒸馏法  E、过滤法

①分离水和汽油的混合物____；②除去氧化钙中的碳酸钙____．