| (79){{U}}The Olympic Games are held every four years
in a different city in the world.{{/U}} Athletes from many countries compete in a
variety of sports which are divided into winter and summer games. The Olympics began in Greece more than 2,700 years ago. The games were originally part of a religious festival in honour of the Greek Gods. Eventually, the games became the most important festival in all of Greece. The first recorded Olympic competition was held in 776 B. C. It was held in an outdoor stadium which was about 200 metres long and 30 metres wide. The stadium was in a valley and about forty thousand people watched the event. The first thirteen Olympics consisted of only one race - running. Since 776 B. C. the games had been held regularly for about 1,200 years. In the year 397 the Olympics were prohibited A. They are the world’s most important athletic events and mark the friendship among people of the world. B. They not only provide exciting sporting events but also make great contributions to world peace. C. They allow people of the world to enjoy most important athletic events and bring great economic benefit to the host sponsor country. D. They offer best sporting events and promote cooperation between countries. [单选题]海鲜餐的代码是:( )
A.RVML B.AVML C.FPML D.SFML [单选题]消防员将肢体( )伸出车窗外，设有安全带座位的乘员应系安全带。
A.不得 B.随意 C.视情况 D.特殊情况 [简答题]常二线产品头重、尾轻的调节
[单项选择]随机抽取某年某市15名9岁女童体重(kg)均数，与3年前当地人口普查得到的9岁女童体重(kg)均数比较的检验为
A. 样本均数与总体均数比较的t检验 B. 酉己对t检验 C. 成组t检验 D. u检验 E. χ2检验 [单项选择]未来指控控制系统发展的核心之一是（）。
A. 周密的战略侦察 B. 提高生存防御能力和电子战能力 C. 提高低空目标监视能力 D. 海洋监测 [单选题] 生产班组属于( )中心。
A.标准成本 B.费用 C.投资 D.利润 [单选题]正常生产中，脱甲烷塔一般设有的联锁有( )。
A.进料温度联锁 B.塔压低联锁 C.塔压高联锁 D.塔釜液位联锁 [单选题]机具设备要严格管理、经常检修、精心使用，动力机械必须由（）操作。
A.经领导批准的人员 B.专业人员 C.任意人员 D.操作人员 [判断题]每年对挡车器进行一次全面检查。（ ）
A.正确 B.错误 [单选题]多轴飞行器,电调和电机一般通过3根单色线连接,如任意调换其中2根与电机的连接顺序,会出现( )
A.该电机停转 B.该电机出现过热并烧毁 C.该电机反向运转 [单选题]198. 推送车辆时，要先（ ）。车列前部应有人瞭望，及时显示信号。 J291
A.确认连挂良好 B.试推 C.试拉 [单项选择]The sentence "Close your book and listen to mc carefully" performs
[A] a directive function [B] a phatic function [C] an informative function [D] a performative function 我来回答: 提交
|
