题目内容
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__________。
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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.
62.As ahuman resources manager, you need tolisten carefully to the questions and concerns of everyone in your company.
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!
分光光度计使用过程中，用于调整透射比为100%的是
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