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二类医疗器械产品由____审查批准后发给产品注册证书
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投标人应当在招标文件要求提交投标文件的截止时间前，将投标文件送达投标地点。招标人收到投标文件后，应当签收保存，不得开启。投标人少于2个的，招标人应当依照招标投标法重新招标。 ()
为城市给水工程规划中贯彻执行《城市规划法》、《水法》、《环境保护法》,提高城市给水工程规划编制质量,建设部组织编制并颁布了《城市给水工程规划规范》,并于()2月1日起施行。
全反式维生素A醋酸酯的换算因数(F)是
Mexican fans and their contribution to football culture are simple to spot. At certain points of sports events, sections of a stadium crowd will suddenly stand up, wave their arms in the air, roar for their team and then sit down again. Others next to them jump to their feet seconds later. The combined movements look like a wave, rippling around the stadium.
"The Mexican wave" went global at the 1986 World Cop in Mexico. While there may have been waves before, this was the first time "La Ola ", as the Mexicans call it, featured widely on TV.
While Mexicans will no doubt be making waves in Germany, another famous export may not be appearing. Mexican TV's celebrity clown Borzoi, the creation of comedian Victor Trujillo, reported from the last three World Cup's. Trujilo stopped playing the character after his wife's death in 2004.
Sadly for fans, crowd-pleasing striker Guauhtemoc Blanco will definitely not be there. The 33year-old is famed for his "bunny hop", where he hops past opponents with the ball clasped between his ankles. Last week he complained about being left off the team, saying there was "no valid argument" for leaving him behind.
Which of the following is the main idea of the first paragraph？
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