问题
单项选择题 A1/A2型题
临床上血气分析时标本的采取和保存不正确的是（）。
A.肝素抗凝
B.隔绝空气
C.立即分析
D.采集动脉血和静脉血均可
E.测定前将血液混匀
答案
参考答案：D
解析：血气分析就采集动脉血或动脉化的毛细血管血，除非特殊需要，一般不用静脉血作血气分析。
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临床上血气分析时标本的采取和保存不正确的是（）。
A.肝素抗凝
B.隔绝空气
C.立即分析
D.采集动脉血和静脉血均可
E.测定前将血液混匀
参考答案：D
解析：血气分析就采集动脉血或动脉化的毛细血管血，除非特殊需要，一般不用静脉血作血气分析。
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| The most unforgettable thing during my long summer holiday last year, of course is my trip_1_ England.This was my first time to go abroad, so it really made me_2_. There were quite a lot of interesting_3_in England, such as Oxford.When we walked around Oxford, we saw quite a lot of ancient buildings on_4_sides of the streets.One of the most famous tourist_5_in Oxford is Christ (基督) Church, it's _6_one of Oxford University's 39 colleges.There is a huge hall in Christ Church, _7_was used as the dining hall at Hogwarts in the Harry Potter_8_. I felt really excited  when I heard this._9_place that impressed me_10_during my trip was a placecalled Stratford－upon－Avon.It was a small town.Maybe you haven't _11_it, but I'm sure you have heard about William Shakespeare-the great man's 12 . In Stratford－upon－Avon, I could 13 Shakespeare's Birthplace, Shakespeare Countryside Museum, The Royal Shakespeare Theatre, and a lot of places that are connected with 14 . I went to Shakespeare's Birthplace.It was the house 15 Shakespeare was born and 16 his early years. 17 sitting room, hallway (走廊), bedrooms, and kitchen were furnished (布置) in 16th －century 18 . I also went to see the Shakespeare Exhibition.It illustrated (展示, 说明) Shakespeare's life and career in both Stratford and London. I really enjoyed this nice trip to England, 19 I learnt a lot.I'm very happy that I could visit such an interesting 20 . I want to go there again in the future. | ||||
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