题目内容
（请给出正确答案）
[单选题]
The teacher' s words were a great （) to him.
A.encourage
B.encouragement
C.develop !
D.development
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题目内容
（请给出正确答案）
如果结果不匹配，请 联系老师 获取答案
题目内容
（请给出正确答案）
A.encourage
B.encouragement
C.develop !
D.development
如果结果不匹配，请 联系老师 获取答案
更多“The teacher' s words were a gr…”相关的问题
A.in much the same way like
B.with much the same way as
C.in much the same way that
D.using much the same of
Two American inventors, Alexander Graham Bell and Elisa Gray, succeeded at almost the same time. The United States Supreme Court finally had to decide which of the two was the first inventor of the telephone. The Court decided 37 Bell’s favor.
Born in Edinburgh, Scotland, Bell grew up in a family that was very interested in teaching people to speak. His grandfather had been an actor who left the theatre to teach elocution(演讲技巧); his father was a teacher 38 deaf-mutes learn how to speak.
However, probably none of the later inventions gave Bell the same feeling of success __39_ he had on the day when he spilled some acid from his batteries. It was after he had worked for months to find ways to send something more than metallic twangs(金属砰弦声)over the wires. Thinking Watson, __40__, was in the next room, Bell called, "Mr. Watson, come here. I want you." Watson was not in the next room. He was down in his laboratory, next to the receiver. To Watson's surprise, he heard the words perfectly. He ran to tell Bell the news: the wires had carried Bell's voice perfectly.
36. A. had never traveled B. never had traveled
C. was never traveled D. never was traveled
37. A. at B. on C. to D. in
38. A. which was helped B. that was helped
C. who helped D. who has helped
39. A. like B. to C. which D. as
40. A. being his helper B. was his helper
C. his helper D. to be his helper
A.transmit
B.transit
C.transform
D.transport
A.Facilitator of students’ learning
B.Manager of classroom activities
C.Advisor
D.Sole communicator
A.write,days
B. to write,days’s
C. write,days’s
D. to write, days’
A、She is a teacher
B、She is Doctor Sophie
C、A driver, I suppose
D、She’s ill
A、Neither likes to study grammar
B、Neither likes a teacher to explain what they are learning
C、Both like to study independently
D、None of the above
为学校中学生选课管理这个现实问题进行数据库模式设计。根据调查分析，确定它的属性集合为：
U={S，C，SNAME，CNAME，TEACHER，GRADE，SD}
下面给出两种确定的模式设计方案：
方案一：只有一个关系模式：
R（S，C，SNAME，CNAME，TEACHER，GRADE，S@D)@方案二：如果根据属性之间存在的联系或相关性，建立如下三个关系：
S（S，SNAME，S@D)@，C（C，CNAME，TEACHER），SC（S，C，GRADE）
1.试分析这两种模式设计方案各自的优缺点。
2.通常情况下你认为哪种方案更“好”些？请说明理由
假设学生关系为S(s#，sname，sex)，课程关系为C(c#，cname，teacher)，学生选课关系为SC(s#，c#，grade)，要查找选修“COMPUTER”课的男生姓名，将涉及到关系()。
A．S
B．S,SC
C．C,SC
D．S,C,SC
A.homophones
B.perfect homonyms
C.homographs
D.polysemic words
