问题
单项选择题
（食品）药品监督管理部门受理医疗器械注册申请后。经审查符合规定批准注册的，自书面批准决定作出之日起（）个工作日内发给医疗器械注册证书。
A.10
B.15
C.20
D.30
答案
参考答案：A
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（食品）药品监督管理部门受理医疗器械注册申请后。经审查符合规定批准注册的，自书面批准决定作出之日起（）个工作日内发给医疗器械注册证书。
A.10
B.15
C.20
D.30
参考答案：A
Obama goes on a trip to Beijing and Shanghai on November11th to 15th 2009. Obama has a four-day visit to China. He has a very busy schedule(日程). But he still spends some time visiting the Forbidden City and the Great Wall. Obama spends 50 minutes in the Forbidden City . He thinks the Forbidden City is a “beautiful place to visit”. He said, “I will come back with my girls and my wife.” The next day, he takes quick tour of the Great Wall at Badaling. Obama has a good time there. He who has never been to the Great Wall is not a true man. US President Barack Obama is a true man. 根据短文内容，用适当的词或短语完成下列表格。(词数不限)
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