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铝及铝合金焊前必须仔细清理焊件表面的原因是为了防止()。

A、热裂纹
B、冷裂纹
C、气孔
D、烧穿
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正确答案:

C

答案解析:

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Thewheelwasinventedabout3500B.C.andsailboatabout3200B.C.Wheeledvehiclesandsailingvessels___28___transportation.Butthespeedoftransportationimprovedonly___29___overthecenturies.Inventorsproducedthefirstengine-___30___vehiclesduringthelate1700’sandtheearly1800’s.This developmentmarkedthebeginningofarevolutionintransportationthathascontinuedtothepresent.

16.A.highlightsB.pinpointsC.headquartersD.centers

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病例分析。

患儿.男.5岁。3周前患扁桃体炎,近日有眼睑水肿.少尿.尿液呈洗肉水样。今因头痛.恶心.呕吐1天,抽搐4小时入院。体查:T36.80C,P:130次/分,Bp:150/105mmHg。浅昏迷,双瞳等大等圆,直径3mm,对光反射迟钝,心.肺.腹无异常,双侧巴氏征阳性,脑脊液外观清,蛋白(+),白细胞10×106/L,血液检查:ASO增高,血沉增快,C3降低。

请问:1.该患儿可能的临床诊断?

2.该患儿的主要护理诊断(请写2个)

3.主要的护理措施有哪些?

5岁小儿的正常血压约为()

麻疹疫苗初种的年龄是()

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