产品上市需要取得注册证,经营只需办理备案手续的是() A.第二类医疗器械 B.第一类

题型:单项选择题

问题:

产品上市需要取得注册证,经营只需办理备案手续的是()

A.第二类医疗器械

B.第一类医疗器械

C.第三类医疗器械

D.特殊用途医疗器械

考点:执业西药师药事管理与法规综合练习药事管理与法规综合练习题库
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在Rt△ABC中,AB=3,BC=4,那么AC=______.

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根据短文内容和首字母提示,在下文空格处填入适当的词使短文完整。(每空一词)

The Slender West Lake Scenic Spot lies in the northwestern part of Yangzhou with i小题1:   south gate facing Great Rainbow Bridge Road. It c  小题2:an area of about 123.6 hectares. The Slender West Lake was named a National Key Scenic Spot in 1988 and National AAAAA Tourist Area in 2010.

The Slender West Lake Scenic Spot u 小题3:to be a long river called the Baozhang Lake, which is 4 kilometers in length and less than 100 metres in width. A famous poet Wang Hang in the Qing Dynasty once composed a poem, from which the Slender West Lake gets its p 小题4:   name and it is famous both at home and a  小题5: . During the Sui and Tang Dynasties, many gardens were built along the Slender West Lake. A large number of buildings along the moats were built in d 小题6:  locations during different periods(时期). E  小题7: during the Qing Dynasty, many rich salt merchants(商人)s 小题8:  much money in recruiting(聘请)garden designers and building gardens upon the lake.

The Slender West Lake not only represents the beauty of n  小题9: landscape, but also embodies(体现,蕴含)the richness of its h  小题10:  and culture.

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下列属于与同学不友好相处的方式是[     ]

A.双方互相信任 

B.尊重朋友的意愿

C.在朋友有需要时,自愿自觉提出帮助 

D.对朋友能坦率地敞开自己的感情,但不愿意朋友与他人交往 

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什么叫球磨机的临界转速?当研磨体在脱离点处有最大能量时,其脱离角是多少?

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人民警察应具有勇敢、坚定、大胆、果断、顽强、乐于奉献等心理素质特点。( )

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