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Choose THREE letters, A-G.
Write your answers in boxes 34-36 on your answer sheet.
Which THREE of the following are features of constructivism?
A.Students learn best by working on their own.
B.People are naturally inclined to develop language abilities.
C.It is vital that a disciplined and regulated approach is useD.
D.It is important that students understand every word they encounter.
E.Language is best learnt as a single, organic process.
F.Everyone learns to read and write in a similar manner.
G.Context can provide helpful cues to understanding words.
(34)

A.B.
C.Students
D.
E.People
F.
G.It
H.
I.It
J.
K.Language
L.
M.Everyone
N.
O.Context
P.
(34)

【参考答案】

B
B
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在学籍管理中,设有4个表,关系模式分别为:ST[JDENT(SNO,SNAME,SEX,BIRTFtDAY,CLASS)TEAC腿R(1FNO,TNAME.SEX.BIRTHDAY,PROFESSION,DEPARTMENT)CO[JRSE(CNO,CNAME,TNO)SCORE(SNO,CNO,DEGREE)说明:学生关系模式中:SNO:学号;SNAME:姓名;SEX:性别;BIRTHDAY:出生口期;CI.ASS:班级:教师关系模式巾:TNO:教师号;TNAME:姓名;SEX:性别;BIRTHDAY:I叶{生口期;PRO—FESSION:职称;DEPARTMENT:所在系;课程关系模式中:CNO:课程号;CNAME:课程名;TNO:任课教师号;成绩关系模式中:SNO:学号;CNO:课程号;DEGREE:分数。请用SQI。查询语句实现下列操作:1)显示教师所有的单位,即不重复的DEPARTMENT列。2)显示STIJDENT表中'95031.'班或性别为“女”的同学记求。3)以CNO升序,DEGREE降序显示SCORE表的所有记录。4)显示'9503l”班的学生人数。5)显示SCORE表中至少有5名学生选修的并I:2 3 H:头的课程号的平均分。6)显示最低分大于70,最高分小于90的SNO列。7)显示选修“3一105”课程的成绩高于“109”号同学成绩的所有同学的记录。8)显示SCORE表中选学多门课程的同学中分数为非最高分成绩的记录。9)列出学号为“108'’的同学同年出生的所有学生的SNO、SNAME和BIRTHDAY。10)显示“张三”教师任课的学生成绩。
A.SEX.BIRTHDAY,PROFESSION,DEPARTMENT)
CO[JRSE(CNO,CNAME,TNO)
SCORE(SNO,CNO,DEGREE)
说明:学生关系模式中:SNO:学号;SNAME:姓名;SEX:性别;BIRTHDAY:出生口期;CI.ASS:班级:教师关系模式巾:TNO:教师号;TNAME:姓名;SEX:性别;BIRTHDAY:I叶{生口期;PRO—FESSION:职称;DEPARTMENT:所在系;
课程关系模式中:CNO:课程号;CNAME:课程名;TNO:任课教师号;
成绩关系模式中:SNO:学号;CNO:课程号;DEGREE:分数。
请用SQI。查询语句实现下列操作:
1)显示教师所有的单位,即不重复的DEPARTMENT列。
2)显示STIJDENT表中'95031.'班或性别为“女”的同学记求。
3)以CNO升序,DEGREE降序显示SCORE表的所有记录。
4)显示'9503l”班的学生人数。
5)显示SCORE表中至少有5名学生选修的并I:2