2014高中考试英语单项选择冲刺满分练习21.doc

2014高考英语单项选择冲刺满分训练（21） 单项填空(共15小题；每小题1分，满分15分) 从A、B、C、D四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。 21．As________birthplace of Huaxia civilization，Xi an is________city with a long history and abundant cultural relics. A. the；a　　　　　　　B. a；a　　　　　　　C．/；a　　　　　　　D. the；/ 22．H7N9 control and prevention is a________to China as well as the whole world. A．surprise B．challenge C．reaction D．threat 23．My boss made________clear that one in three of us will have to leave next month. A．it B．us C．that D．this 24．—Have you seen John lately?[来源:学科网ZXXK] —Yes, he comes to visit me________. A. the other day B. now and then C. at the moment D. sooner or later 25．The plane departs at 8∶00，so we may as well be at the airport________7∶00 at the latest. A．by B．after C．till D．in 26．Why do so many birds fly to south every winter? —They are trying to get a________shelter from the cold weather in winter. A. magic B. reliable C. permanent D. temporary 27．Chinas laws regarding the protection of personal information online remain relatively undeveloped and weak.________，necessary management measures lack a legal basis. A. Thus B. However C. Otherwise D. Moreover 28．Getting students________in outclass activities can develop their characters. A. trapped B. devoted C. stuck D. involved 29．________that the Youth Olympic Games might be delayed due to severe air pollution, our government has made a promise to Jacques Rogge that they will spare no effort to settle the problem. A. Warned B. Having warned C. Warning D. Being warned 30．One of the fathers of the Internet________no doubt agree that the UN need to form a special agency to fight against cybercrime. A. would B. must C. can D. may 31．If you have trouble working out the math problem，why not try calling Jenny? —She________be home by now. [来源:Z。xx。k.Com] A. shall B. should C. will D. would 32．Since the band announced the release of their new album, the phone hasn’t stopped ringing. Many fans________to ask about the exact time. A. w