【简答题】Sleep is very ancient. In the electroencephalographic(脑电图学的) sense we share it with all the primates(灵长类动物) and almost all the other mammals(哺乳动物) and birds: it may extend back as far as the reptiles(...
【简答题】statistics, statistical, statistically, statistician: __________show that people who smoke are more likely to get heart disease. The difference in heart attack rates for smokers and nonsmokers is_____...
【单选题】The individual TV viewer invariably senses that he or she is_____anonymous,statistically insignificant part of a huge and diverse audience.
【单选题】关于Python循环结构,以下选项中描述错误的是
A.
Python通过for、while等保留字提供遍历循环和无限循环结构
B.
break用来跳出最内层for或者while循环,脱离该循环后程序从循环代码后继续执行
C.
每个continue语句只有能力跳出当前层次的循环
D.
遍历循环中的遍历结构可以是字符串、文件、组合数据类型和range()函数等
【单选题】Levels of financing health services in advanced industrial countries have little effect, statistically speaking, on the health of the population. There are countries which spend six times as much per ...
A.
The cost of Britain's Health Service is disproportionate to its effectiveness.
B.
Spending is the most effective way of improving a health service.
C.
Advanced industrial countries have failed to improve the health of their population.
D.
Governments have a responsibility to organise efficient health care systems.
E.
Life expectancy is a reliable measure of the health of the population.
【单选题】《诗经·小雅·渐渐之石》:“山川悠远,为其劳矣。”其中“劳”是什么意思?
【简答题】阅读以下说明和数据流图,回答问题1~问题3。 [说明] 职工信息管理系统是用于对职工相关信息进行检索、统计、工资管理、内部调动管理等的系统。利用该系统,人事科可以对本单位职工信息进行管理,根据不同命令对信息进行增、删、改、内部调动,打印人事表格,进行统计、检索。人事科输入的系统命令需要合法性检查才能被接受、处理。系统命令包括档案维护、数据检索、统计报表、打印命令、代码维护。人事科的输入信息包括个人...
【单选题】关于Python循环结构,以下选型中描述错误的是
A.
Python 通过for、while等保留字提供遍历循环和无限循环结构
B.
遍历结构中的遍历结构可以是字符串、文件、组合数据类型和range()函数等
C.
break 用来跳出最内层for或者while循环,脱离该循环后程序从循环代码后继续执行
D.
每个continue语句有能力跳出当前层次的循环