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【单选题】
二次函数y=ax 2 +bx+c（a≠0，a、b、c是常数）中自变量x与函数y的对应值如下，一元二次方程ax 2 +bx+c=0的两个根x 1 、x 2 的取值范围是（　　） x -1 - 1 2 0 1 2 1 3 2 2 5 2 3 y -2 - 1 4 1 7 4 2 7 4 1 - 1 4 -2
A.
- 1 2 ＜x 1 ＜0， 3 2 ＜x 2 ＜2
B.
-1＜x 1 ＜ - 1 2 ，2＜x 2 ＜ 5 2
C.
- 1 2 ＜x 1 ＜0，2＜x 2 ＜ 5 2
D.
-1＜x 1 ＜ - 1 2 ， 3 2 ＜x 2 ＜2
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举一反三
【多选题】考虑如下脚本。假设mysql_query 函数将一个未过滤的查询语句送入一个已经打开的数据库连接,以下哪个选项是对的?( )
A.
MYTABLE 表中的记录超过 1 条
B.
用户输入的数据需要经过适当的转义和过滤
C.
调用该函数将产生一个包含了其他记录条数的记录
D.
给 URL 传递 ID=0+OR+1 将导致 MYTABLE 中的所有表被删除
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【简答题】鸡笼的形式有全阶梯、半阶梯、叠层式、( )和( ) 。
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【单选题】Which of the following statements is NOT mentioned in this passage?
A.
Both journal articles and conference papers are reported in a brief and informative way.
B.
All the theses or dissertations and conference papers are reported in spoken languages.
C.
Both the journal articles and conference papers are influenced greatly by the intended receivers.
D.
The various formats of research reports may be presented in different ways.
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【单选题】Both articles made me question how we define our values and morality in this postmodern, technologically advanced world and persuaded me of the need for caution in embracing technology. 意为：这两篇文章都让我怀疑在...
A.
对
B.
错
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【单选题】下列被称为有一年茶、三年药、七年宝的说法的是__。
A.
白茶
B.
黑茶
C.
绿茶
D.
红茶
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【单选题】Which of the following statements is not mentioned in this passage?
A.
Both journal articles and conference papers are reported in a brief and informative way.
B.
All the theses or dissertations and conference papers are reported in spoken languages.
C.
Both the journal articles and conference papers are influenced greatly by the intended receivers.
D.
The various formats of research reports may be presented in different ways.
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【判断题】湿物料的湿基含水量要高于其干基含水量 。( )
A.
正确
B.
错误
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【单选题】The articles made of leather cost much more than ______ made of plastic.
A.
that
B.
those
C.
ones
D.
it
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【单选题】Which of the following statements is not mentioned in this passage?
A.
Both journal articles and conference papers are written in a brief and informative way.
B.
All the theses or dissertations and conference papers are reported in spoken languages.
C.
Both the journal articles and conference papers are influenced greatly by the intended receivers.
D.
The various formats of research reports may be presented in different ways
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【简答题】什么是生活垃圾的干湿分类?有什么好处? “干湿分类”是针对我国居民生活垃圾中厨余和果皮类垃圾比例较 高，水分含量高，不利于垃圾回收和最终处置的国情提出的一种 简单实用的垃圾分类方式。“干湿分类”是将居民的一般生活垃圾 分为( )(主要为厨余垃圾、果皮等)和干垃圾(其它垃圾)。湿 垃圾收集后可利用微生物进行堆肥、厌氧消化处理或制备生物燃 料，而干垃圾收集后由工作人员从中挑出可利用的物质，剩下的 垃圾...
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相关题目：
【多选题】考虑如下脚本。假设mysql_query 函数将一个未过滤的查询语句送入一个已经打开的数据库连接,以下哪个选项是对的?( )
A.
MYTABLE 表中的记录超过 1 条
B.
用户输入的数据需要经过适当的转义和过滤
C.
调用该函数将产生一个包含了其他记录条数的记录
D.
给 URL 传递 ID=0+OR+1 将导致 MYTABLE 中的所有表被删除
查看完整题目与答案
【简答题】鸡笼的形式有全阶梯、半阶梯、叠层式、( )和( ) 。
查看完整题目与答案
【单选题】Which of the following statements is NOT mentioned in this passage?
A.
Both journal articles and conference papers are reported in a brief and informative way.
B.
All the theses or dissertations and conference papers are reported in spoken languages.
C.
Both the journal articles and conference papers are influenced greatly by the intended receivers.
D.
The various formats of research reports may be presented in different ways.
查看完整题目与答案
【单选题】Both articles made me question how we define our values and morality in this postmodern, technologically advanced world and persuaded me of the need for caution in embracing technology. 意为：这两篇文章都让我怀疑在...
A.
对
B.
错
查看完整题目与答案
【单选题】下列被称为有一年茶、三年药、七年宝的说法的是__。
A.
白茶
B.
黑茶
C.
绿茶
D.
红茶
查看完整题目与答案
【单选题】Which of the following statements is not mentioned in this passage?
A.
Both journal articles and conference papers are reported in a brief and informative way.
B.
All the theses or dissertations and conference papers are reported in spoken languages.
C.
Both the journal articles and conference papers are influenced greatly by the intended receivers.
D.
The various formats of research reports may be presented in different ways.
查看完整题目与答案
【判断题】湿物料的湿基含水量要高于其干基含水量 。( )
A.
正确
B.
错误
查看完整题目与答案
【单选题】The articles made of leather cost much more than ______ made of plastic.
A.
that
B.
those
C.
ones
D.
it
查看完整题目与答案
【单选题】Which of the following statements is not mentioned in this passage?
A.
Both journal articles and conference papers are written in a brief and informative way.
B.
All the theses or dissertations and conference papers are reported in spoken languages.
C.
Both the journal articles and conference papers are influenced greatly by the intended receivers.
D.
The various formats of research reports may be presented in different ways
查看完整题目与答案
【简答题】什么是生活垃圾的干湿分类?有什么好处? “干湿分类”是针对我国居民生活垃圾中厨余和果皮类垃圾比例较 高，水分含量高，不利于垃圾回收和最终处置的国情提出的一种 简单实用的垃圾分类方式。“干湿分类”是将居民的一般生活垃圾 分为( )(主要为厨余垃圾、果皮等)和干垃圾(其它垃圾)。湿 垃圾收集后可利用微生物进行堆肥、厌氧消化处理或制备生物燃 料，而干垃圾收集后由工作人员从中挑出可利用的物质，剩下的 垃圾...
查看完整题目与答案
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