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【判断题】
油层套管的作用是住油、气、水层,建立一条封固严密的永久性通道,保证石油井能够进行长时期的生产。
A.
正确
B.
错误
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举一反三
【简答题】He earns ______ (much)money now, but is ______ (little)respected than he used to be.
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【判断题】3 G90指令包括切入、切削、退刀、返回四个阶段。
A.
正确
B.
错误
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【单选题】查询选修C2课程号的学生姓名，下列SQL，语句中错误的是（ ）。
A.
SELECT姓名FROM S WHERE EXISTS (SELECT*FROM SC WHERE学号=S．学号AND 课程号=’C2’)
B.
SELECT姓名 FROM S WHERE学号IN (SELECT学号FROM SC WHERE课程号=’C2 ’)
C.
SELECT姓名FROM S JOIN SC ON S．学号=SC． 学号WHERE课程号=’C2’
D.
SELECT姓名FROM S WHERE学号= (SELECT学号FRM SC WHERE课程号=’C2’)
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【单选题】He earns quite a high ______ in his present job.
A.
salary
B.
bill
C.
check
D.
payment
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【单选题】限时限量折扣每月可创建( )组活动,共1920小时。
A.
30
B.
40
C.
60
D.
100
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【单选题】______ he earns, the more he spends.
A.
How much
B.
For how much
C.
The more
D.
Whatever
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【单选题】查询选修C2课程号的学生姓名，下列SQL语句中错误是
A.
SELECT 姓名 FROM S WHERE EXISTS(SELECT * FROM SC WHERE学号=S.学号 AND 课程号="C2")
B.
SELECT 姓名 FROM S WHERE 学号 IN(SELECT 学号 FROM SC WHERE 课程号="C2")
C.
SELECT 姓名 FROM S JOIN SC ON S.学号=SC.学号 WHERE 课程号="C2"
D.
SELECT 姓名 FROM S WHERE 学号=(SELECT 学号 FROM SC WHERE 课程号="C2")
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【单选题】It is clear that ________ little money he earns can hardly support ________family as large as his.
A.
the；a
B.
a；the
C.
/；a
D.
/；the
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【单选题】Which of the following sentences is INCORRECT?
A.
He earns twice as much as he used to.
B.
The width of this new road is two times that of the old one.
C.
This book is four times more expensive than that one.
D.
The new square is four times size that of the previous one.
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【简答题】A．He works at night. B．He's changing jobs. C．He is a dentist. D．He only earns a little.
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相关题目：
【简答题】He earns ______ (much)money now, but is ______ (little)respected than he used to be.
查看完整题目与答案
【判断题】3 G90指令包括切入、切削、退刀、返回四个阶段。
A.
正确
B.
错误
查看完整题目与答案
【单选题】查询选修C2课程号的学生姓名，下列SQL，语句中错误的是（ ）。
A.
SELECT姓名FROM S WHERE EXISTS (SELECT*FROM SC WHERE学号=S．学号AND 课程号=’C2’)
B.
SELECT姓名 FROM S WHERE学号IN (SELECT学号FROM SC WHERE课程号=’C2 ’)
C.
SELECT姓名FROM S JOIN SC ON S．学号=SC． 学号WHERE课程号=’C2’
D.
SELECT姓名FROM S WHERE学号= (SELECT学号FRM SC WHERE课程号=’C2’)
查看完整题目与答案
【单选题】He earns quite a high ______ in his present job.
A.
salary
B.
bill
C.
check
D.
payment
查看完整题目与答案
【单选题】限时限量折扣每月可创建( )组活动,共1920小时。
A.
30
B.
40
C.
60
D.
100
查看完整题目与答案
【单选题】______ he earns, the more he spends.
A.
How much
B.
For how much
C.
The more
D.
Whatever
查看完整题目与答案
【单选题】查询选修C2课程号的学生姓名，下列SQL语句中错误是
A.
SELECT 姓名 FROM S WHERE EXISTS(SELECT * FROM SC WHERE学号=S.学号 AND 课程号="C2")
B.
SELECT 姓名 FROM S WHERE 学号 IN(SELECT 学号 FROM SC WHERE 课程号="C2")
C.
SELECT 姓名 FROM S JOIN SC ON S.学号=SC.学号 WHERE 课程号="C2"
D.
SELECT 姓名 FROM S WHERE 学号=(SELECT 学号 FROM SC WHERE 课程号="C2")
查看完整题目与答案
【单选题】It is clear that ________ little money he earns can hardly support ________family as large as his.
A.
the；a
B.
a；the
C.
/；a
D.
/；the
查看完整题目与答案
【单选题】Which of the following sentences is INCORRECT?
A.
He earns twice as much as he used to.
B.
The width of this new road is two times that of the old one.
C.
This book is four times more expensive than that one.
D.
The new square is four times size that of the previous one.
查看完整题目与答案
【简答题】A．He works at night. B．He's changing jobs. C．He is a dentist. D．He only earns a little.
查看完整题目与答案