单选题Seven years ago, Scott was 3 times as old as Kathy was at that time. If Scott is now 5 years older than Kathy, how old is Scott ?A 12.5B 13C 14D 14.5

题目
单选题
Seven years ago, Scott was 3 times as old as Kathy was at that time. If Scott is now 5 years older than Kathy, how old is Scott ?
A

12.5

B

13

C

14

D

14.5

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相似问题和答案

第1题:

在Oracle中,将scott的资源文件改为otherprofile,下列哪个是正确的?( )

A.ALTER PROFILE USER scott otherprofile

B.ALTER otherprofile USER scottPROFILE

C.ALTER USER scott PROFILE otherprofile

D.ALTER scott USER PROFILE otherprofile


正确答案:C

第2题:

There used to be an old city here, which was ()under the river about 2000 years ago.

A、insulted

B、insulated

C、buried

D、interrupted


参考答案:B

第3题:

When did the children begin to speak English?

A. When they are 5 years old. B. When they are 6 years old.

C. When they are 7 years old. D. When they are 8 years old.


正确答案:B

第4题:

YousettheundopoolresourceplandirectivefortheconsumergroupnamedDSS_USERSthatisassignedtotheDAY_SHIFTplan.Thedatabaseusers,SCOTTandBLAKE,belongtotheDSS_USERSresourcegroup.Theuser,SCOTT,initiatesadatabasesessionandexecutesabatchoperationthatinsertsmillionsofrowsintotheHISTORYtable.WhichtwooptionsaretrueifthetotalundospaceallocatedtotheDSS_USERSgroupexceedsthevaluespecifiedintheundopoolresourceplandirective?()

A.Thebatchoperationstartedbytheuser,SCOTT,terminateswithanerror.

B.Thebatchoperationstartedbytheuser,SCOTT,hangsandyouarerequiredtoincreasetheundopoolresourceplandirective.

C.Thebatchoperationstartedbytheuser,SCOTT,runsuninterruptedbecausethedatabaseusestheSYSTEMtablespacefortheundooperation.

D.Theuser,BLAKE,cannotstartatransactionthatusesanyDMLoperationsuntilyouincreasethevalueoftheundopoolresourceplandirective.

E.TheuserBLAKEcanstartatransactionthatusesanyDMLoperationsafterthebatchoperationstartedbytheuser,SCOTT,terminateswithanerror.


参考答案:A, D

第5题:

The manager is 40 years old,(用how old对划线部分提问)


参考答案How old is the manager?

第6题:

How old is your sister?-She is 25 years old。()

此题为判断题(对,错)。


参考答案:√

第7题:

一 How old are these students? They are about 16 years old.

A.Right

B.Wrong


参考答案:A

第8题:

28. How old is John's brother now when John is fifteen in the story?

A.Ten years old.

B. Fifteen years old

C. Twenty years old

D. Twenty-five years old.


正确答案:D
28.D【解析】当John 10岁时,他哥哥20岁,所以当 John 15岁时,他哥哥25岁。

第9题:

He is_______ than I.

A.elder three years

B.old three years

C.three years elder

D.three years older


参考答案:D

第10题:

授予sa用户在SCOTT.EMP表中SAL列的更新权限的语句是()。

A.GRANT CHANGE ON SCOTT.EMP TO SA

B.GRANT UPDATE ON SCOTT.EMP(SAL) TO SA

C.GRANT UPDATE (SAL) ON SCOTT.EMP TO SA

D.GRANT MODIFY ON SCOTT.EMP(SAL) TO SA


参考答案:B

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