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【单选题】
在T-SQL语言中,若要修改某张表的结构,应该使用的修改关键字是 。
A.
ALTER
B.
UPDATE
C.
UPDAET
D.
ALLTER
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参考答案：
举一反三
【单选题】A humorous piece of writing can make the reader's emotional responses untrustworthy because ______.
A.
it expresses the truth of the sadness of human life with a sparkling surface
B.
everyone has his happy moments and unhappy moments
C.
there is an obvious line between laughing and crying
D.
it is like poetry, very rhythmic
查看完整题目与答案
【单选题】The author claims that the best way a reader can show admiration for a piece of poetry or prose is ______.
A.
to be able to appreciate it and memorize it
B.
to analyze its essential features
C.
to think it over conscientiously
D.
to make an air appraisal of its artistic value
查看完整题目与答案
【简答题】根据某些条件对一个关系作水平分解，选择符合条件的元组组成一个新的关系，这样的操作称为（ ）。 A)投影 B)选择 C)等值连接 D)自然连接
查看完整题目与答案
【简答题】The author claims that the best way a reader can show admiration for a piece of poetry or prose is ________. A) to be able to appreciate it and memorize it B) to yze its essential features C) to t...
查看完整题目与答案
【判断题】According to Oxford English Dictionary, poetry is "a piece of writing in which the expression of feelings and ideas is given intensity by particular attention to diction. "
A.
正确
B.
错误
查看完整题目与答案
【单选题】氨茶碱的平喘机制是
A.
抑制细胞内钙释放
B.
抑制磷酸二酯酶
C.
抑制磷脂酶A2
D.
激活腺苷酸环化酶
E.
抑制鸟苷酸环化酶
查看完整题目与答案
【单选题】氨茶碱的平喘机制是
A.
抑制细胞内钙释放 ;
B.
抑制 磷酸二酯酶 ;
C.
抑制磷酯酶 A2;
D.
激活腺苷酸环化酶 ;
E.
抑制鸟苷酸环化酶
查看完整题目与答案
【单选题】氨茶碱的平喘机制是
A.
促使儿茶酚胺释放及阻断腺苷受体
B.
抑制腺苷酸环化酶
C.
激活磷酸二酯酶
D.
抑制磷酸二酯酶
E.
激活鸟苷酸环化酶
查看完整题目与答案
【单选题】氨茶碱的平喘机制是
A.
抑制儿茶酚胺释放及激动腺苷受体
B.
抑制腺苷酸环化酶
C.
激活磷酸二酯酶
D.
抑制磷酸二酯酶
查看完整题目与答案
【单选题】The author claims that the best way a reader can show admiration for a piece of poetry or prose is______.
A.
to be able to appreciate it and memorize it
B.
to analyze its essential features
C.
to think it over conscientiously
D.
to make a fair appraisal of its artistic value
查看完整题目与答案
相关题目：
【单选题】A humorous piece of writing can make the reader's emotional responses untrustworthy because ______.
A.
it expresses the truth of the sadness of human life with a sparkling surface
B.
everyone has his happy moments and unhappy moments
C.
there is an obvious line between laughing and crying
D.
it is like poetry, very rhythmic
查看完整题目与答案
【单选题】The author claims that the best way a reader can show admiration for a piece of poetry or prose is ______.
A.
to be able to appreciate it and memorize it
B.
to analyze its essential features
C.
to think it over conscientiously
D.
to make an air appraisal of its artistic value
查看完整题目与答案
【简答题】根据某些条件对一个关系作水平分解，选择符合条件的元组组成一个新的关系，这样的操作称为（ ）。 A)投影 B)选择 C)等值连接 D)自然连接
查看完整题目与答案
【简答题】The author claims that the best way a reader can show admiration for a piece of poetry or prose is ________. A) to be able to appreciate it and memorize it B) to yze its essential features C) to t...
查看完整题目与答案
【判断题】According to Oxford English Dictionary, poetry is "a piece of writing in which the expression of feelings and ideas is given intensity by particular attention to diction. "
A.
正确
B.
错误
查看完整题目与答案
【单选题】氨茶碱的平喘机制是
A.
抑制细胞内钙释放
B.
抑制磷酸二酯酶
C.
抑制磷脂酶A2
D.
激活腺苷酸环化酶
E.
抑制鸟苷酸环化酶
查看完整题目与答案
【单选题】氨茶碱的平喘机制是
A.
抑制细胞内钙释放 ;
B.
抑制 磷酸二酯酶 ;
C.
抑制磷酯酶 A2;
D.
激活腺苷酸环化酶 ;
E.
抑制鸟苷酸环化酶
查看完整题目与答案
【单选题】氨茶碱的平喘机制是
A.
促使儿茶酚胺释放及阻断腺苷受体
B.
抑制腺苷酸环化酶
C.
激活磷酸二酯酶
D.
抑制磷酸二酯酶
E.
激活鸟苷酸环化酶
查看完整题目与答案
【单选题】氨茶碱的平喘机制是
A.
抑制儿茶酚胺释放及激动腺苷受体
B.
抑制腺苷酸环化酶
C.
激活磷酸二酯酶
D.
抑制磷酸二酯酶
查看完整题目与答案
【单选题】The author claims that the best way a reader can show admiration for a piece of poetry or prose is______.
A.
to be able to appreciate it and memorize it
B.
to analyze its essential features
C.
to think it over conscientiously
D.
to make a fair appraisal of its artistic value
查看完整题目与答案
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