影响单管压力计测量精度的主要因素是:()
A、管内径粗细
B、管内径精度
C、工作液的比重
D、工作液与标尺的膨胀系数
E、测量管与储液罐析内径比
参考答案:E
--- Recently many people have no intention of buying a house.
--- I think the reason may be ______ the house price is too high.
A.that
B.why
C.because
D.which
通常最早提示慢性肾功能衰竭的临床表现是()
A.血压升高
B.头痛头晕
C.恶心呕吐
D.皮肤瘙痒
E.呼吸深快