【单选题】【消耗次数：1】
I have lost my white hat. I______ it somewhere.
①
must be dropping
②
must have dropped
③
must have been dropped
④
must drop
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随机题目
【多选题】
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②
B.“服务管家”引来多个“首家”优质金融资源；试点私募股权基金份额转让，完善“募投管退”生态体系
③
C.成立金融法院为金融业保驾护航；打造国内首个自主可控的区块链软硬件技术体系
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D.建立全球首个网联云控式高级别自动驾驶示范区；“南箭北星”卫星助力民营航天崛起
【多选题】
国家服务业扩大开放综合示范区的建设内容包括（）。
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A.推动重点领域深化改革扩大开放
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B.推动重点园区示范发展
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北京市“两区”建设助推北京开放走在全国前列的表现有（）。
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E.打造一批可视化成果，开放显示度持续增强
【多选题】
北京市“两区”建设的未来方向有（）。
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A.标准再对标，拓展先行先试改革实施新路径
②
B.定位再精准，谋划全产业链全环节制度创新
③
C.机制再理顺，畅通全市开放改革创新体系
④
D.抓手再明确，打造差异化产业集聚新空间
⑤
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