【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/9FF3F3CDF7FDF7AB5470EDAFA9C838DA.png title=1.png alt=1.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/39CBF22177365D4C9B441CA502B75246.png title=1-1.png alt=1-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/FEE29F21B74D941BF8E33F70E75F16D9.png title=1-2.png alt=1-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/F2B4FB824B1F6FEC3FFEF14FBC0E9C33.png title=1-3.png alt=1-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/677834CA85F34FFF60989D299989D8A0.png title=1-4.png alt=1-4.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/AFC55B869E4AB08AFFC12EC480DD8E81.png title=1.png alt=1.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/EA4A52EC8C4D6B9A7853681C95546D6C.png title=1-1.png alt=1-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/E58876C472DFE082B5FFE4C39C4A620B.png title=1-2.png alt=1-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/D91AA2B2D9F139B7DBA5C5042AC47CD1.png title=1-3.png alt=1-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/8123B428F291E419426620126770C8DF.png title=1-4.png alt=1-4.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/4A7E3D27E19232FFE0C526BFFFFA3FC9.png title=1.png alt=1.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/88920C102C6515BD4747F54276B2040E.png title=1-1.png alt=1-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/FAB431EB6987AC2D2EA7168389E0F281.png title=1-2.png alt=1-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/C60FBD484B5ACC7E8D0BCD4666CE0D45.png title=1-3.png alt=1-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/BB9D3B8BF1E049B5D8FB3A7251263B79.png title=1-4.png alt=1-4.png/>
【单选题】
直线<img src="20190809/1565320469784241.png" title="1565320469784241.png" alt="图片33.png"/>的斜率为（ ）
①
<img class="kfformula" src="20190809/1565320507335017.png" data-latex="\frac {1} {2}"/>
②
<img class="kfformula" src="20190809/1565320507148737.png" data-latex="-\frac {1} {2}"/>
③
<img class="kfformula" src="20190809/1565320507128594.png" data-latex="2"/>
④
<img class="kfformula" src="20190809/1565320507871509.png" data-latex="-2"/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/1453C12E9A10DE1B649AE4B872D857D5.png title=1.png alt=1.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/463DD47824EE38F7C2249DDDE45178BA.png title=1-1.png alt=1-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/C50161843C1FBF0047F028E01E26CBD2.png title=1-2.png alt=1-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/807C001699F582245A7109426D1F9C89.png title=1-3.png alt=1-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/6DEA00584807623F978B51C76C515A4D.png title=1-4.png alt=1-4.png/>
【单选题】
若<img src="20190730/1564474266450496.png" title="1564474266450496.png" alt="图片54.png"/>是偶函数，且<img src="20190730/1564474272251146.png" title="1564474272251146.png" alt="图片55.png"/>，则下列各点中那个点在函数<img src="20190730/1564474283241371.png" title="1564474283241371.png" alt="图片56.png"/>的图像上（）
①
(1,2)
②
(2,-1)
③
(2,1)
④
(-1,-2)
【单选题】
<img src="20190808/1565257242904852.png" title="1565257242904852.png" alt="图片119.png"/>
①
-4
②
4
③
-3
④
3
【简答题】
<img src="https://huaweicloudobs.ahjxjy.cn/5448966A2A0306DCAD728A8810867ECD.png" title="1.png" alt="1.png"/><img src="https://huaweicloudobs.ahjxjy.cn/ABC7229341983F49196830A34F7982A2.png" title="2.png" alt="2.png"/>
【单选题】
设函数<img src="20190730/1564474785143996.png" title="1564474785143996.png" alt="图片64.png"/>，则<img src="20190730/1564474797759780.png" title="1564474797759780.png" alt="图片65.png"/>的值分别为（ ）
①
3,0
②
4，-1
③
4,0
④
3，-1
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/B3ECAFF87168F98F6469D2D7CA43E7A6.png title=1.png alt=1.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/324091786B409C042052ADE5DAC17D31.png title=1-1.png alt=1-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/47F55AFA6AFBF1DE49F7F0E4F70A0646.png title=1-2.png alt=1-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/A00685D921B37A40579EB3791A152785.png title=1-3.png alt=1-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/CE03359F09E9BDDB2BBF2A80BB81F1A2.png title=1-4.png alt=1-4.png/>
