【单选题】John asked me ________ to visit his uncle’s farm with him. A. how would I like B. if or not would I like C. whether I would like D. which I would like
B.
if or not would I like
【简答题】炉甘石的主要化学成分为ZnCO3,煅后成分变为 。
【单选题】——Would you like to visit the UK? ——Yes, ______.
【单选题】-Would you like to go with us? [ ]
【单选题】Would you like to go to the cinema with us? Yes, ______. What time are we going to meet?
【简答题】某化学兴趣小组的同学在老师指导下,用炉甘石(主要成分为ZnCO 3 )、赤铜(Cu 2 O)与木炭粉混合加热到800℃,得到了多种物质.在锌、铜、金、二氧化碳中,你认为不可能由此得到的是(写化学式) ,理由是 .请将上述过程中发生的反应用化学方程式表示出来(提示:ZnCO 3 加热可分解为ZnO)① ;② ;③ .