冒泡排序算法在最好的情况下的元素交换次数为______。

题型:填空题

问题:

冒泡排序算法在最好的情况下的元素交换次数为______。

考点:计算机等级考试公共基础知识二级公共基础知识
题型:填空题
完形填空。
Dear Ace Travel,
     My family and I want to take a trip this summer  1  in the east of China. I hope you can provide me with
some information  2  the kinds of vacations that your firm can offer. We would like to travel to an exciting
place, and we don't mind how far we have to go. It has to be a place where we can do lots of exercise; we
especially love hiking and swimming, but  3  kind of exercise is fine. We  4  need to stay in an inexpensive
hotel. It  5  nice if our hotel had rooms with kitchens so we could save money by cooking our own meals.
The room needs to be big enough for three people. Also, we'd like to stay at a place with a big pool or
somewhere near the ocean. Could you please give me some  6  for vacation spots? Also, please let us know
if it's  7  to travel by plane, train or bus. We'd like to be away for about three weeks. Thank you very much.
                                                                                                                                   S. T. Zhang
( )1. A. where  
( )2. A. of     
( )3. A. any    
( )4. A. too    
( )5. A. is     
( )6. A. plan   
( )7. A. better 
B. everywhere  
B. about       
B. one         
B. still       
B. was         
B. suggestions 
B. good        
C. somewhere
C. at      
C. some    
C. also    
C. will be 
C. support 
C. nice    
D. anywhere
D. with   
D. what   
D. either 
D. would be              
D. tips   
D. best   
题型:填空题

一个等腰直角三角形的三个顶点分别在正三棱柱的三条侧棱上,已知正三棱柱的底面边长为2,则该三角形的斜边长为(    )。

题型:填空题

某孕妇,30岁,孕33周,双下肢浮肿1个月,头痛、头晕伴视物不清3天,呕吐1次(为胃内容物)就诊。

提示:在准备手术过程中,病人出现突发性腹痛,并有少量 * * 出血,查:BP146/98mmHg,宫高32cm,腹围102cm,强直性宫缩,有压痛可疑,胎位不清,胎心180次/分。 * * 少量流血,肛查宫颈管未消失,宫口未开。目前考虑出现下列哪些情况()

A.急性胎儿窘迫

B.子宫破裂

C.胎盘早剥

D.前置胎盘

E.不协调性子宫收缩过强

F. * * 静脉曲张破裂

题型:填空题

试比较冲动在神经纤维上传导与在神经-肌肉接头处的传递有何不同 (7分)

题型:填空题

对于标准的应用来说,( )一般不宜作为招标项目的标准使用。

A.企业标准

B.国家标准

C.国际标准

D.行业标准

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