【单选题】周长相等的下列图形中,( )的面积最大。
【单选题】听力原文: Jane Brown, has been married for 12 years, she has three children and lives in a suburb outside Columbus, Ohio. When her youngest child reached school age, Jane decided to go back to work. She f...
A.
Because she was bored with her husband.
B.
Because she would like to help with the family' s finances.
C.
Because she was offered a good job.
D.
Because she was bored with her children.
【单选题】某大学决定建立科学奖金,现准备存入一笔资金,预计以后无限期地在每年年末支取利息20000元用来发放奖金。在存款年利率为10%的条件下,现在应存人( )元。
【单选题】下列图形中,若周长一定,面积最大的是 [ ]
【判断题】X射线光电子能谱是利用X射线轰击样品,测定释放出的电子能量的分析方法。
【单选题】患儿女,2岁。因发热、流涕2天,咳嗽、烦躁半天就诊。护士观察患儿咳嗽为犬吠样,伴有声音嘶哑、吸气性喉鸣。查体T38.4℃,咽部明显充血,心肺未闻及异常。该护士考试患儿可能是
【简答题】患儿,2岁。4天前发热,流涕、咳嗽,今晨发现前额及耳后部有淡红色斑丘疹,眼结膜充血,流泪,口腔两颊黏膜明显充血,可见细小白色斑点,体温39.8℃,舌质红,苔黄,指纹紫。其诊断是( )
【单选题】某大学决定建立科学奖金 , 现准备存入一笔资金 , 预计以后无限期地在每年年末支取利息20000元用来发放奖金 , 在存款年利率为10%的条件下 , 现在应存入 ( ) 元 .
【判断题】应用层是最复杂的,协议也最多,目前本层在国际上几乎没有完整的标准。