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【简答题】
(2013年四川资阳8分)在关于x,y的二元一次方程组 中. (1)若a=3.求方程组的解; (2)若S=a(3x+y),当a为何值时,S有最值.
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参考答案:
举一反三
【单选题】授课即将结束时,教学媒体突然出现故障,此时教师最正确的做法是( )
A.
请维修人员,等修好后再结束课
B.
不知所措,然后草草下课
C.
趁机巧妙地结课,避免尴尬
D.
讲到哪算哪,余下内容以后再说
E.
提问学生,转移他们的注意力
【单选题】It can be inferred that Ketek is a medicine which______.
A.
helps lose weight
B.
helps improve memory
C.
treats ear problems
D.
treats liver problems
【多选题】在 Hibernate 中, 下列 关于 Session说法正确的 有
A.
它是线程安全的
B.
它不是线程安全的
C.
它是轻量级的
D.
Session也被称为持久化管理器,它提供了和持久化相关的操作
【单选题】●A user interface can be defined as the combination of hardware and software that helps people and computers (72) with each other. (72)
A.
intercourse
B.
intercommunion
C.
communicate
D.
intercommunicate
【简答题】It can be inferred from the passage that [A] the 'code of silence' often helps protect guards from violence. [B] the governor's office has decided to give a new life to the prisons. [C] the solution t...
【单选题】A user interface can be defined as the combination of hardware and software that helps people and computers(72)with each other.
A.
intercourse
B.
intercommunion
C.
communicate
D.
intercommunicate
【单选题】A user interface can be defined as the combination of hardware and software that helps people and computers(70)with each other.
A.
intercourse
B.
intercommunion
C.
communicate
D.
intercommunicate
【单选题】It can be inferred from the directions that this medicine______.
A.
helps you to fall asleep quickly
B.
may be dangerous to small children
C.
cannot be taken if one feels sleepy
D.
should not be taken by children under six
【多选题】在 Hibernate 中, 下列 关于 SessionFactory说法正确的 有
A.
它是线程安全的
B.
它不是线程安全的
C.
它是轻量级的
D.
一个 SessionFactory实例对应一个数据存储源
【单选题】在Hibernate中,下列说法不正确的是()。
A.
HQL是基于SQL的
B.
HQL提供更加面向对象的封装
C.
HQL是Hibernate官方推荐的查询方式
D.
HQL提供的是面向关系型数据库的
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