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【单选题】
已知如下关系：学生Student(S#, Sname)，课程Course(C#, Cname, T#)，选课SC(S#, C#, Score)，教师T(T#, Tname)。其中S#为学号，Sname为学生命名，C#为课号，Cname为课程名，T#为教师编号，Score为成绩，Tname为教师名。阅读SQL语句SELECT Sname FROM Student WHERE S# IN(SELECT S# FROM SC WHERE Student.S#=SC.S# and C#= ‘C01’ and Score>=60)；关于其查询结果，下列说法正确的是_____。A.
C01号课程不及格的所有学生的姓名
B.
剔出掉C01号课程不及格学生的其他学生的姓名
C.
剔出掉C01号课程及格学生的其他学生的姓名
D.
C01号课程及格的所有学生的姓名
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【单选题】— We decided ______ trees on the hill, but we haven't decided how to get there. — Let's go by bike, ______? [ ]
A.
to plant; shall we
B.
to plant; will you
C.
planting; shall we
D.
planting; won't you
【简答题】When we the museum is not decided．
【简答题】As the weather was fine, we decided to climb the mountain.
【简答题】In the summer of 2011 my friend and I decided to go to Italy for a holiday and we decided to travel there without going through a travel agency. You know, you would not be seen among the tourists and ...
【简答题】(It's a good idea if we) inform all our customers by e-mail._______________________ inform all our customers by e-mail
【单选题】This house is really expensive. We are looking for an expert to() it before we decided to buy it.
A.
depend
B.
appraise
C.
demand
D.
apparent
【单选题】Rarely ()the opportunity to inform. our customers of such good news.
A.
had we have
B.
do we have
C.
we will have
D.
did we had
【简答题】随着老年人口的绝对数和相对数的增加, 日渐形成并扩大。
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