题目内容（请给出正确答案）

[单选题]

http://nos.netease.com/edu-image/64710698F9F3E9A6738BA098CC654B38.png？imageView&thumbnail=520x520&quality=100

A.http://nos.netease.com/edu-image/68CB5C35D8E3A38B6340FD8F7A3082F4.png？imageView&thumbnail=520x520&quality=100

B.http://nos.netease.com/edu-image/12C19E59EF3CB9E015B5D170A8B5113D.png？imageView&thumbnail=520x520&quality=100

C.http://nos.netease.com/edu-image/2088A96232485740E214D8C7311449C2.png？imageView&thumbnail=520x520&quality=100

D.http://nos.netease.com/edu-image/6787515851D5BEC6800D4CE25ABBB569.png？imageView&thumbnail=520x520&quality=100

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更多“http://nos.netease.com/edu-ima…”相关的问题

第1题

http://nos.netease.com/edu-image/24FA870801FC2B74CC9B1AB09F83E4AC.png?imageView&thumbnail=520x520&quality=100

A、http://nos.netease.com/edu-image/CE946F2BCEF68A3120DAE081D926BDE4.png?imageView&thumbnail=520x520&quality=100

B、http://nos.netease.com/edu-image/9891E623C647B68E8F1CB8AD4C337733.png?imageView&thumbnail=520x520&quality=100

C、http://nos.netease.com/edu-image/9FB70D9602F229B1C91D7B9A54BC100C.png?imageView&thumbnail=520x520&quality=100

D、http://nos.netease.com/edu-image/563BFFDEC8450A1AAFC61697252ABB42.png?imageView&thumbnail=520x520&quality=100

点击查看答案

第2题

http://nos.netease.com/edu-image/BF3A19B3D55A988052F48FD057365525-1443529788144?imageView&thumbnail=520x520&quality=100

A、http://nos.netease.com/edu-image/945B2F059F77133A9906758CF98D6B5D-1443261405935?imageView&thumbnail=520x520&quality=100

B、http://nos.netease.com/edu-image/0960A2A2E5DACA18BB9B34970ED3FEF2-1443261398724?imageView&thumbnail=520x520&quality=100

C、http://nos.netease.com/edu-image/EA2D5E09AE03E717F4A27EEB7BD919CC-1443261390955?imageView&thumbnail=520x520&quality=100

D、http://nos.netease.com/edu-image/518CA10A274BD1387B2334FC4C1DA65D-1443261414757?imageView&thumbnail=520x520&quality=100

点击查看答案

第3题

http://nos.netease.com/edu-image/7D9EC4E345FA6C49F664CAA871DAB93A-1442111164097?imageView&thumbnail=520x520&quality=100

A、http://nos.netease.com/edu-image/4B67D512D2CBB805CFDACCCF8D78557B-1442111182588?imageView&thumbnail=520x520&quality=100

B、http://nos.netease.com/edu-image/9F7AD8BD1ED53E308DF0DA82E57A4A9D-1442111201204?imageView&thumbnail=520x520&quality=100

C、http://nos.netease.com/edu-image/FECA11B174160E8E87EC9829283ACEB3-1442111214364?imageView&thumbnail=520x520&quality=100

D、http://nos.netease.com/edu-image/1557EF75FC928E2743AD2127E43D7FD8-1442111224618?imageView&thumbnail=520x520&quality=100

点击查看答案

第4题

http://nos.netease.com/edu-image/01B0E1A44CC97110D7989F35D875FDCA-1443515671450?imageView&thumbnail=520x520&quality=100

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第5题

试以丙烯和乙炔为原料制备2,6-庚二酮，正确的步骤是：

A、http://nos.netease.com/edu-image/D6D7090E5669F1594392B2F943230664.jpg?imageView&thumbnail=520x520&quality=100

B、http://nos.netease.com/edu-image/D00C2DAEEE191281EF1BFF56BD9E4EA5.jpg?imageView&thumbnail=520x520&quality=100

C、http://nos.netease.com/edu-image/E771A4F534A01FB18BAC2C6ED35A1CC6.jpg?imageView&thumbnail=520x520&quality=100

D、http://nos.netease.com/edu-image/C9F32403F9DB8394731DD5D42DD59404.jpg?imageView&thumbnail=520x520&quality=100

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第6题

以下反应主要产物为： http://edu-image.nosdn.127.net/A10B337844B64B074FAB7A9B821AE44F.gif

A、http://edu-image.nosdn.127.net/8129E0E14938C4CC4393C43C275989E8.gif

B、http://edu-image.nosdn.127.net/09AEA4DBAC8929371E0577C0F04DD2A6.gif

C、http://edu-image.nosdn.127.net/053F85C6434CA3B8E358C3A102D5429A.gif

D、http://edu-image.nosdn.127.net/62C5DAFCC9D5EF45A2B28E5716F6DC0F.gif

点击查看答案

第7题

http://edu-image.nosdn.127.net/E099C1146923471FBA4468D85A41ED80.jpg?imageView&thumbnail=890x0&quality=100

A、http://edu-image.nosdn.127.net/40332EF411D04A409F0DDC16CC1AEF38.jpg?imageView&thumbnail=890x0&quality=100

B、http://edu-image.nosdn.127.net/7FC9CA22F82A6FF045CB0783BD7C328A.jpg?imageView&thumbnail=890x0&quality=100

C、http://edu-image.nosdn.127.net/16B554E3946980CB58D4A88090D8D005.jpg?imageView&thumbnail=890x0&quality=100

D、http://edu-image.nosdn.127.net/D1C40C902C1CF444957533504765709E.jpg?imageView&thumbnail=890x0&quality=100

点击查看答案

第8题

e721a2fd3cf40b66b13a11a5fdad28e43d66cc12e98ecbbee70b632bd9cd0625

A.苯咪唑类药物

B.噻嘧啶

C.乙胺嗪

D.左旋咪唑

E.硫酸二氯酚

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第9题

设f(x)=e^-x，则

=( )

A． B．-lnx+C C． D．lnx+C

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第10题

设f(x)=e^-x，则

( )．

A． B．-lnx+c

C． D．lnx+c

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