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【单选题】
设有如下语句序列: CREATE PROCEDURE sp_mathop(IN a INT, IN b INT) BEGIN SET @var1 = 1; SET @var2 = 2; SELECT @sum:=(a + b) AS sum, @dif:=(a - b) AS dif; END; CALL sp_mathop (3, 4); SELECT @a, @var1, @var2, @sum, @dif; 关于上述语句中变量使用的叙述中,正确的是A.
a是局部变量,@a是用户变量
B.
sp_mathop声明了两个整型用户变量a和b
C.
@a、@var1、@var2、@sum、@dif都是用户变量,并且相应的数值
D.
@a、@var1、@var2、@sum、@dif都是局部变量,在存储过程外无法继续使用
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【单选题】加快发展现代职业教育以邓小平理论、“三个代表”重要思想、科学发展观为指导,坚持以立德树人为根本,以服务发展为宗旨,以( )为导向,适应技术进步和生产方式变革以及社会公共服务的需要,深化体制机制改革,统筹发挥好政府和市场的作用,加快现代职业教育体系建设,深化产教融合、校企合作,培养数以亿计的高素质劳动者和技术技能人才。
A.
促进创业
B.
促进就业
C.
素质发展
D.
能力发展
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【简答题】Five months have passed (1) _____ I spoke to the British nation and Empire on the broadcast. In war time there is a lot to be said for the motto “Deeds, (2) _____ Words.” All the same, it is a good th...
【简答题】Five months have passed (1)____I spoke to the British nation and Empire on the broadcast. In war time there is a lot to be said for the motto “Deeds, (2) ____ Words.” All the same, it is a good thing ...
【简答题】Five months have passed (1) ______ I spoke to the British nation and Empire on the broadcast. In war time there is a lot to be said for the motto “Deeds, (2) ______ Words.” All the same, it is a good ...
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