【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/B84D3F30674499098A62B4CBF6D950CE.png title=题干.png alt=题干.png width=794 height=101 style=width: 794px; height: 101px;/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/A5E2D80BB78C87A174D13B7D816C43F9.png style=width: 179px; height: 42px; title=1.png width=179 height=42/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/01E34C7338B31B4366A8843285A0C7C6.png title=3.png style=white-space: normal; width: 222px; height: 30px; width=222 height=30/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/1CD7E6137890EED791F3795B632830DA.png title=2.png style=white-space: normal; width: 207px; height: 46px; width=207 height=46/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/DB5C14F6856142AD84BEA807B78BC820.png title=4.png style=white-space: normal; width: 225px; height: 40px; width=225 height=40/>
【单选题】
结构简式是<img src="https://file.icve.com.cn/file_doc_public/764/572/BF28F32331D19F8AC648AC8537C689D6.gif" title="1.gif" alt="1.gif" width="148" height="58" style="width: 148px; height: 58px;"/>的有机物应命名为（ ）
①
2-甲基 -2-乙基丁烷
②
3-甲基-3-乙基己烷
③
2，2-二甲基戊烷
④
3，3-二甲基戊烷
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/C92407F815151000CA4AC9483911D54B.png title=题干.png alt=题干.png width=820 height=111 style=width: 820px; height: 111px;/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/2FC74D076255E936F6524710B944EEA3.png style= title=2.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/6BF421D92F29AC09C5AB2BC76A673DF6.png title=3.png style=white-space: normal;/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/25CAA6A8D5EB3AC996C1B6EBB98815F8.png title=1.png style=white-space: normal;/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/94164A0E9B1002F4D1358BF875A8EBD2.png title=4.png style=white-space: normal;/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/7D6405BC6B841319B95EFF530DB8AB2C.png title=题干.png alt=题干.png width=833 height=142 style=width: 833px; height: 142px;/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/37EFF5E04B06643C14AD920EE3C0A71F.png style= title=2.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/34C22D96272AD7104DC84C24FA15EE4A.png title=1.png style=white-space: normal;/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/B359E51153DA44B31870C02660FADFD4.png title=3.png style=white-space: normal;/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/840AC675A875D4E7DEF7E0BBCA86945F.png title=4.png style=white-space: normal;/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/0DA5F93E7B070EED428D495CF31647AC.png title=题干.png alt=题干.png width=801 height=116 style=width: 801px; height: 116px;/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/3B086B42DCCC1ED1EB7498FA5935ED07.png style=width: 138px; height: 36px; title=1.png width=138 height=36/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/2CE9644A9C302B05D36F04B3DFA182E2.png title=2.png style=white-space: normal; width: 263px; height: 36px; width=263 height=36/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/787FF5A07E68F2C8842EB4892E28490F.png title=3.png style=white-space: normal; width: 130px; height: 34px; width=130 height=34/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/F76D4A1857C973750889BBA14FEF8956.png title=4.png style=white-space: normal; width: 226px; height: 56px; width=226 height=56/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/9B2B0A97E093411D2A6F5768F19F9E53.png title=1.png alt=1.png/>
①
3
②
-3
③
2
④
-2
【简答题】
<img src="https://huaweicloudobs.ahjxjy.cn/BAF8D07A0E9A2119AF6A6CA5B09340BA.png" title="1.png" alt="1.png"/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/6E1BF87ACCC503F0BAB7DE2685A3931A.png title=1.png alt=1.png/>
①
1
②
2
③
3
④
4
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/B7319F3A2E4D8147392704EDBDF5276F.png title=题干.png alt=题干.png width=825 height=47 style=width: 825px; height: 47px;/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/C11832AB0459C6359BE89FC090E4981E.png style=width: 195px; height: 47px; title=2.png width=195 height=47/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/B7C148A344072B4A45D3F2352B2C8E8E.png title=1.png style=white-space: normal; width: 100px; height: 39px; width=100 height=39/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/F00599135518EF9BDA37FFBD82725667.png title=3.png style=white-space: normal; width: 199px; height: 51px; width=199 height=51/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/41C4696FDAC2A6470FF8CB3A1D4A94D6.png title=4.png style=white-space: normal; width: 149px; height: 49px; width=149 height=49/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/83BA619E1FE88B6E27AD3943DA5D59FF.png title=题干.png alt=题干.png width=587 height=55 style=width: 587px; height: 55px;/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/69200ED34BFECA11518B3A6D5686907C.png style=width: 412px; height: 51px; title=1.png width=412 height=51/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/6F7FD729388E94AAABFAD8B23B63220A.png title=3.png style=white-space: normal; width: 482px; height: 55px; width=482 height=55/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/CE6D788FA9FC5249DFB05C614EEC6B57.png title=2.png style=white-space: normal; width: 794px; height: 45px; width=794 height=45/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/A011CBD202E3451AD8FDE46016DD8F04.png title=4.png style=white-space: normal; width: 771px; height: 45px; width=771 height=45/>
