辨认时要选择符合要求的陪衬人、物、照片,不能把辨认对象单独呈现给辨认人辨认,这是辨认成功的重要环节。物品要求不少于()。
A. 2件
B. 5件
C. 没有数量限制
D. 大于2件少于7件
查看答案
设有关系模式W(C,P,S,G,T,R),其中各属性的含义是:C课程,P教师,S学生,G成绩,T时间,R教室,根据定义有如下数据依赖集 D={ C→P,(S,C)→G,(T,R)→C,(T,P)→R,(T,S)→R}。关系模式W的一个候选键是_____,W的规范化程度最高达到_____。 正确选项为__________。
A. (T,R),3NF
B. (S,C),1NF
C. (T,S),2NF
D. (T,P),4NF
Part IV Translation - English into Chinese (25 minutes)Directions: This part, numbered 61 through 65, is to lestyour ability to translateEnglish into Chinese. After each of the sentences numbered 61 to 64 you read three choices of suggested translation marked A)B) and C). You should choose the best translation and mark the corresponding letter on your Answer Sheet with a single line through the center. And for the paragraph numbered 65, write your translation in the correspondingspace on the Translation Composition Sheet.61. If for any reason you are not able to meet the deadline for applications, please inform us immediately by email with details concerning your situation.
A. 无论何种原因,若你未能在截止日期前提交申请,请立即发电子邮件将详情告知我们。
B. 如果由于某种原因你不能满足这个要求,请立即用电子邮件通知我们,以便另做安排。
C. 如果你实在无法出席这次会议,我们可以在会后用电子邮件把会议的相关情况告诉你。
62.As ahuman resources manager, you need tolisten carefully to the questions and concerns of everyone in your company.
A. 作为人力资源部经理,你要掌握公司的情况和了解公司里的每一个员工。
B. 作为人力资源部经理,你应认真听取公司员工的意见并且关心每一个人。
C. 作为人力资源部经理,你需要仔细倾听公司里的每个人的问题和关心的事。
65. Smartphones have made iteasy for us to stay connected at all times. Your smartphone is one of the greatest tools you can own to protect yourself and your family in dangerous situations --with your phone atyour side, help is onlythree numbers away. Dial 911 or another local emergency number in emergencies such as a fire, traffic accident or medical emergency. Remember, an emergency call is a free call on your cell phone!