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【单选题】
已知<img class="kfformula" src="20190809/1565322050560879.png" data-latex="A\left ( {0,-2} \right )"/>,<img class="kfformula" src="20190809/1565322050489966.png" data-latex="B\left ( {x,6} \right )"/>中点坐标<img class="kfformula" src="20190809/1565322050782302.png" data-latex="\left ( {-1,y} \right )"/>,<img class="kfformula" src="20190809/1565322050701271.png" data-latex="x"/>,<img class="kfformula" src="20190809/1565322050277662.png" data-latex="y"/>分别为( )

<img class="kfformula" src="20190809/1565322050358526.png" data-latex="x=-4,y=-2"/>
<img class="kfformula" src="20190809/1565322050607462.png" data-latex="x=2,y=4"/>
<img class="kfformula" src="20190809/1565322050656212.png" data-latex="x=-4,y=25"/>
<img class="kfformula" src="20190809/1565322050205695.png" data-latex="x=-2,y=2"/>
【判断题】
<img src=https://huaweicloudobs.ahjxjy.cn/31F4D58D74A38CF4221CF51E5DAC7BBE.png title=21.png alt=21.png/>

正确
错误
【判断题】
<img src=https://huaweicloudobs.ahjxjy.cn/96608AE6EC76A84E4D7A0C6213E294F4.png title=21.png alt=21.png/>

正确
错误
【单选题】
下图是( )型号表示方法。<img src="20190823/1566522009283292.png" title="1566522009283292.png" alt="图片3.png"/>

钢串片式散热器
钢制板式散热器
闭式钢串片散热器
【单选题】
<img src="20190808/1565257485671417.png" title="1565257485671417.png" alt="图片122.png"/>

-2
1
2
-1
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/4EAD9C036B5FC0FBE9FF1B69B9129DA7.png title=21.png alt=21.png/>

0
1
2
3
【单选题】
<img src="20190730/1564475798929259.png" title="1564475798929259.png" alt="图片84.png"/>等于()

27
-3
-27
3
【单选题】
<img src="20190730/1564476375323686.png" title="1564476375323686.png" alt="图片101.png"/>等于 ()

10
1
0
3
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/BB6602F8EBCDCBC4325AC6C2D402AC62.png title=QQ图片20160108172103.png alt=QQ图片20160108172103.png/><img src=https://huaweicloudobs.ahjxjy.cn/2185028B122EA820C3F12899EF40B3B5.png title=QQ图片20160108172114.png alt=QQ图片20160108172114.png/>

<img src=https://huaweicloudobs.ahjxjy.cn/CC23C6DB5BA0BF66BBFFC2864C452A86.png title=QQ图片20160108172123.png alt=QQ图片20160108172123.png/>
<img src=https://huaweicloudobs.ahjxjy.cn/EED4D03BD0C27BA6DF81137CB7AD483D.png title=QQ图片20160108172134.png alt=QQ图片20160108172134.png/>
<img src=https://huaweicloudobs.ahjxjy.cn/161D2BDBBB638F1AEC50FA43244D2A9D.png title=QQ图片20160108172143.png alt=QQ图片20160108172143.png/>
<img src=https://huaweicloudobs.ahjxjy.cn/3E2F5DB12481695A27D0760789A13712.png title=QQ图片20160108172158.png alt=QQ图片20160108172158.png/>
【单选题】
<img src="20190730/1564473785867381.png" title="1564473785867381.png" alt="图片41.png"/>是下列函数中那个函数增区间( )

<img src="20190730/1564473840396634.png" title="1564473840396634.png" alt="图片44.png"/>
<img src="20190730/1564473828985548.png" title="1564473828985548.png" alt="图片42.png"/>
<img src="20190730/1564473846182469.png" title="1564473846182469.png" alt="图片45.png"/>
<img src="20190730/1564473833869804.png" title="1564473833869804.png" alt="图片43.png"/>