已知△ABC与△DEF相似且面积比为1:4,则△ABC与△DEF对应高之比为__

题型:填空题

问题:

已知△ABC与△DEF相似且面积比为1:4,则△ABC与△DEF对应高之比为______.

考点:相似三角形的判定
题型:填空题

男性患者,68岁,以"头痛、呕吐、左侧肢体无力6小时,昏迷5小时"为主诉入院。查体:血压180/120mmHg,浅昏迷,左鼻唇沟浅。左侧上、下肢不能活动,左侧Babinski征阳性。辅助检查:头颅CT示右基底核区有一类圆形高密度影。

除了以下哪项各项护理都必须做到()

A.绝对卧床,不能翻身

B.绝对卧床,定时翻身

C.留置导尿

D.肢体应注意保持于功能位置

E.拍背

题型:填空题

关于一个人的抱负水平,下列说法中正确的包括()。

A.个体的抱负水平取决于其成就动机的强弱

B.以往的成败经验影响抱负水平

C.个体的抱负水平与实际成就往往有差异

D.个体的抱负水平与成就动机是一种倒U型关系

题型:填空题

诱发肾功能不全加重的最常见因素是()

A.感染

B.高血压

C.低钾血症

D.脱水

E.贫血

题型:填空题

The Standards of Professional Conduct relating to market manipulation prohibits members from:()

A. securing a controlling, dominant position in a financial instrument to exploit and manipulate the price of a related derivative and/or the underlying asset.

B. undertaking transactions on legitimate strategies based on perceived market inefficiencies.

C. both securing a controlling, dominant position in a financial instrument to exploit and manipulate the price of a related derivative and/or the underlying asset and undertaking transactions on legitimate strategies based on perceived market inefficiencies.

题型:填空题

超过2.5‰的坡度的线路禁止手推调车时,是指该线路的()坡度。

A.最小

B.平均

C.实际

D.最大

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