【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/98B3F482F575C02B9D98BB8AE4F99FF7.png title=1.png alt=1.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/2E9EEE772593F124F612987FED51D1DC.png title=a.png alt=a.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/271D574D22EDEA3C36DBC7259481779F.png title=b.png alt=b.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/18CF34F15B7304F915CEA710A381AE13.png title=c.png alt=c.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/836AEDAA75EF2EA87FAD85C98B8C24C3.png title=d.png alt=d.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/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/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】
<img src=https://huaweicloudobs.ahjxjy.cn/2AC88DCD4657E126041E7EBD0010B423.png title=1.png alt=1.png/>（ ）两个特点
①
最优运输方案不唯一；总运费均相等
②
最优运输方案唯一；总运费均相等
③
最优运输方案不唯一；总运费均不相等
④
最优运输方案唯一；总运费均不相等
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/9F68F0F3078AEC32257C8140CC5BD68E.png title=1.png alt=1.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/79ACF80A4D396FB4422BBF0F72F05C60.png title=1-1.png alt=1-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/15AFACB564BD120C89AEF9AE0FF95081.png title=1-2.png alt=1-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/42F9673CDC989E909D3F6ABBFFC638A9.png title=1-3.png alt=1-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/CE406E961C23A748E91E25551F48EF23.png title=1-4.png alt=1-4.png/>
【单选题】
下图附件是（ ）。<img src="20190823/1566521438790966.png" title="1566521438790966.png" alt="图片1.png"/>
①
P型存水弯
②
S型存水弯
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/E10DD209022F74AE214695A47817BB96.png title=1.png alt=1.png/>
①
7.51cm
②
7.52cm
③
7.53cm
④
7.54cm
【判断题】
<img src=https://huaweicloudobs.ahjxjy.cn/94DC11FDD894BE00FED72A0BD9773996.png title=1.png alt=1.png/>
①
正确
②
错误
【简答题】
<img src="https://huaweicloudobs.ahjxjy.cn/E6BCBE7BEEAC04D5724EBBE61289D63B.png" title="计1.png" alt="计1.png"/>
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