哪种民用建筑的采暖散热器必须暗装或加防护罩
A.办公楼B.高层住宅C.学校D.幼儿园
参考答案:D
解析: 暖通规范规定:幼儿园采暖散热器必须暗装或加防护罩,选D。
Jack had a wonderful time _____ many interesting places in Beijing and he had much time __________ the city.
A.to visit; to enjoy
B.to visit; enjoying
C.visiting; to enjoy
D.visiting; enjoying
1624年()侵占我国台湾,1662年()收复台湾,1684年清政府设置台湾府 ,隶属()。