题目内容

下面MySQL语句中会出现语法错误的是（）

A. delete from grade;
B. update student set grade=90 ;
C. create database test;
D. delete * from student;

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假设有成绩表s，表结构为s(sname,cname,grade)，其中sname表示学生姓名，varchar(20) ;cname表示课程名称，varchar(30);grade表示成绩，decimal(15,2);若要把“张三的化学成绩90分”插入到表中，正确的是（）

A. insert into s value('张三','化学','90')
B. insert into s values('张三','化学',90)
C. insert into s values('张三','化学','90')
D. add into s values('张三','化学',90)

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My daughter was shy; she was afraid to ask questions, ______to questions in class, or talk with other children.

A. respond
B. confine
C. reconcile

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I got from him only a letter, which was put on my office desk; ______to the receipt of this letter I have never heard from him.

A. subsequent
B. distinct
C. intense

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The duties to provide services for children in need are not ______to the local social services department.

A. responded
B. advocated
C. confined

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下面MySQL语句中会出现语法错误的是（）

A. delete from grade; B. update student set grade=90 ; C. create database test; D. delete * from student;

假设有成绩表s，表结构为s(sname,cname,grade)，其中sname表示学生姓名，varchar(20) ;cname表示课程名称，varchar(30);grade表示成绩，decimal(15,2);若要把“张三的化学成绩90分”插入到表中，正确的是（）

My daughter was shy; she was afraid to ask questions, ______to questions in class, or talk with other children.

I got from him only a letter, which was put on my office desk; ______to the receipt of this letter I have never heard from him.

The duties to provide services for children in need are not ______to the local social services department.

A. delete from grade;
B. update student set grade=90 ;
C. create database test;
D. delete * from student;