单选题 To ensure its sustained progress in economy, the government has ______ a series of policies.

【正确答案】 B
【答案解析】[解析] 本题考查动词词义。空格中动词主语为government,宾语为a series of policies,由此可以推断选项B.issue(颁布,颁发)符合题意。reserve预定:~a return ticket/a table for three;issue发布;颁布;发行:~an order;~a regulation;~newspaper;deliver投送;交付;使分娩:~newspapers/goods to door;~the confidential files to the one on duty;~a baby;express表达;特快的~one's gratitude;~train。