题目

Newcastle, one of the fastest developing cities in the United Kingdom, is beginning to draw tourists from all corners of Europe. It’s said most visitors come here to see the famous soccer team play. The mood of the locals is often changed by the success or failures of the local team.Newcastle’s most popular place is the Gate, which is in the center of the city and has many attractions including bars, restaurants, sports bars, pubs and so on. During a home game it becomes a real home to happiness.Culture and local history lovers can make their dreams come true by taking one of the local cit二氧化碳中混有一氧化碳杂质，若除去一氧化碳杂质，可将含杂质的气体通过（ ）A．石灰水B．灼热的铜C．灼热的氧化铜D．碳酸钠溶液