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德国斯蒂芬stephan CPAP-B小儿呼吸机性能最大的特点是()

A.间断流量呼吸阀

B.供气流量的大小不影响CPAP的压力

C.整个呼出阀可整体采用常规方法消毒

D.可以设置压力限制,保证病人安全

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B、供气流量的大小不影响CPAP的压力

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第5题
Text 2In Don Juan Lord Byron wrote, "Sweet is revenge—especially to women." But a study re
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In the study, when male subjects witnessed people they perceived as bad guys being stroke by a mild electrical shock, their M.R.I. scans lit up in primitive brain areas associated with reward. Their brains' empathy centers remained dull. Women watching the punishment, in contrast, showed no response in centers associated with pleasure. Even though they also said they did not like the bad guys, their empathy centers still quietly gloved.

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第6题
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