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参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Ladies and gentlemen, welcome to Dalian, a famous summer resort ( 避暑胜地 ) and one of the best tourist cities in China. With clear sky, green mountains, blue seas, fine beaches, clean streets and lovely...
A.
comes in the best season.
B.
is here to join more tourists
C.
may not stand the heat here.
D.
is traveling back home.
【多选题】危大工程发生险情或者事故时，施工单位应当立即采取应急处置措施，并报告工程所在地住房城乡建设主管部门。（ ）等单位应当配合施工单位开展应急抢险工作
A.
建设
B.
勘察
C.
设计
D.
监理