有关SpO2测定的原理,下列描述正确的是() A.应用测量部位的血液容积描记法原理区

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问题:

有关SpO2测定的原理,下列描述正确的是()

A.应用测量部位的血液容积描记法原理区分出动脉血成分

B.Hb对660nm波长的红光吸收大于HbO2

C.Hb对940nm波长的红外光吸收小于HbO2

D.A和B

E.A和B和C

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在文档一体化系统中,具有将公文信息向档案信息转化作用的子系统是______。

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Washington: The Bush administration has ______ for the first time that it may be willing to ______ a multinational force in Iraq to operate under the ______ of the United Nations as long as ______ by an American. The idea was described by Richard L.Armitage, the deputy secretary of state, as just"______" in discussions at the United Nations. It was first ______ publicly last week by Kofi Annan, the United Nations’ secretary general. Mr. Armitage’s remarks, made ______ to regional reporters and released by ______ today, represent ______ in course for the administration, which has until now insisted that all ______ matters in Iraq remain under total American control. Allowing the United Nations ______ would be intended to win the support of the Security Council for ______ authorizing the occupation of the country. In his remarks, Mr. Armitage ______ to discuss the plans ______, saying, "I don’t think it helps to ______ publicly fight now." But he described the arrangement under consideration as "a multinational force ______ "in which "the American would be the U.N. commander." On Monday, Defense Secretary Donald H. Rumsfeld was asked whether he could ______ American troops fighting ______ . His answer: "I think that’s not going to happen." But he went on to rule out only ______ meaning by the United Nations, whose troops wear blue helmets over a peacekeeping force in Iraq.

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国家管理村镇建设用地工作的核心什么?

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张先生以10万元的预付款购买了一套时价为100万元的期房住宅,一年后该住宅交付使用时,现房价格涨到了120万元,那么,张先生预付款的收益率为( )。

A.10%
B.20%
C.50%
D.200%

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麻痹心理会导致下列哪些行为?()

A.遇积水路段下车查看

B.忽视对向车道情况借道超车

C.以为车辆安全性能好不实行车辆三检制度

D.加油站加油时接打手机

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