【简答题】如图所示的是常用的实验装置. (1)写出仪器a的名称: ,b . (2)加热氯酸钾和二氧化锰固体制取氧气,反应中二氧化锰起 作用,反应的化学方程式为 .为了制取和收集干燥的氧气应该选择的装置有(填序号) . (3)装置①可以进行多个化学实验,请写出一个用该装置进行实验的化学方程式: . (4)加热无水醋酸钠和碱石灰能得到甲烷,则实验室制取甲烷的发生装置选 ;已知甲烷的密度小于空气,难溶于水.则可用...
【简答题】There was a long wait at the reception desk, everyone was checking in.
【多选题】最高审计机关国际组织的刊物《国际政府审计杂志》,出版发行的文字有:
【单选题】He suddenly became ________ that he was the only person who wasn’t the only person who wasn’t dressed formally at the reception.
【简答题】He suddenly became _______ that he was the only person who wasn't dressed formally at the reception.
【简答题】Fill the blanks with what you hear. Traditionally, the 1 women gather after the 2 , and the bride throws her 3 to them. The one who 4 it will, according to tradition, be the next one to get married. A...
【单选题】He suddenly became ________ that he was the only person who wasn't dressed formally at the reception.
【简答题】A Brave Maid A wooden vase from the Ming Dynasty at the entrance of the reception hall ___ 1 (amaze) everyone. The artists designed it in a rare style and selected __ 2 (value) jewels to decorate it. ...
【单选题】听力原文:I'm sorry I'm late. But I was waiting for you at the reception desk near the gate. It's lucky I thought that you could be here in the lobby. Where did the speaker think they were supposed to meet...
A.
At the reception desk.