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【多选题】
关于外科手术预防用抗菌药物的给药方法叙述正确的是A.
接受清洁手术者，在术前0.5～2h内给药，或麻醉开始时给药
B.
手术时间比较短(小于2h)的清洁手术，术前用药一次即可
C.
接受清洁手术者，如在手术过程中失血量比较大(大于l500m1)，可在手术中给予第2剂
D.
接受清洁手术者，总的预防用药时间不超过24h，个别情况可延长至48h
E.
接受清洁污染手术者的手术时预防用药时间亦为48h，必要至72h
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【单选题】Monsoons are characterized by _____.
A.
light, variable winds with little or no humidity
B.
strong, gusty winds that blow from the same general direction all year
C.
steady winds that reverse direction semiannually
D.
strong, cyclonic winds that change direction to conform to the passage of an
【简答题】Half of the world’s population is affected by Asian monsoons (季风), but monsoons are difficult to predict. American researchers have put together a 700-year record of the rainy seasons, which is expect...
【简答题】阅读理解。 Half of the world's population is affected by Asian monsoons (季风), but monsoons are difficult to predict. American researchers have put together a 700-year record of the rainy seasons, which is ...
【简答题】Half of the world’s population is affected by Asian monsoons（季风）, but monsoons are difficult to predict. American researchers have put together a 700-year record of the rainy seasons, which is expecte...
【简答题】Half of the world’s population is affected by Asian monsoons（季风）, but monsoons are difficult to predict. American researchers have put together a 700-year record of the rainy seasons, which is expecte...
【简答题】阅读理解 Half of the world's population is affected by Asian monsoons(季风), but monsoons are difficult to predict. American researchers have put together a 700-year record of the rainy seasons, which is ex...
【单选题】Monsoons are characterized by ___
A.
light, variable winds with little or not humidity
B.
strong, gusty winds that blow from the same direction all year.
C.
steady winds that reverse direction semiannually
D.
strong, cyclonic winds that change direction to conform to the passage of an extreme low pressure system
【单选题】首次以党中央文件的形式提出科学发展观的概念及其内涵是在( )上。
A.
全国防治“非典”工作会议
B.
中国共产党第十六届中央委员会第三次全体会议
C.
中国共产党第十六届中央委员会第四次全体会议
D.
中国共产党第十六届中央委员会第五次全体会议
【单选题】Monsoons are characterized by ______.
A.
light, variable winds with little or no humidity
B.
strong, gusty winds that blow from the same general direction all year
C.
steady winds that reverse direction semiannually
D.
strong, cyclonic winds that change direction to conform to the passage of an extreme low pressure system
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