根据下列装置,结合所给化学知识回答下列问题。 (1)请写出图中标号仪器的名称:① ▲ ;② ▲ 。 (2)实验室制取少量二氧化碳时,发生装置最好选用 ▲ ,如需随时控制生成气体的量并节约药品,发生装置最好选用 ▲ (填编号);写出其反应的化学方程式 ▲ 。 (3)实验室用高锰酸钾制取氧气时,发生装置应选用 ▲ (填编号);写出其反应的化学方程式 ▲ 。 (4)如用E装置收集O2,检验O2是否收集满的方法选词填空(本题有6小题,每小题0.5分,共3分)选择方框内的单词完成下列句子,使句子通顺、正确。每词限用一次A. succeeded B.fresh C. death D.below E.provide F. unless【小题1】Night temperature usually falls ________ zero in winter here.【小题2】Let’s open the windows and have some ____________ air in here.【小题3】We tried our best to solve the problem.Finally we________________.【小题4】Could you _______me with information about student exchange programs?【小题5】Susan will not arrive at the airport on time ______________ she hurries up.【小题6】He had to make a living by himself after his father’s ___________.