图示结构弯矩图形状正确的是( )。<br>·<img src="data:image/png;base64,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" ><br>·<img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAGwAAAByCAYAAAC2ujQmAAAElUlEQVR4nO2dMZLaMBSGH5kchaTIcAI4AUuTinY7KDdNui23SwPl0m1LRbNwgs0JmC2C7+JYsE6EsEG2ZEs//F9lJ0Z+fp+eJDuZUSfNEALDp9ABkGpQGBgUBoazsE6n4yMOYomXClPSKM4O1zx99hSHqMVmHgwXnqf46tDehClyURT3HzMXruIaW3TkFXerQ2X+7L47rdcKM7nFimv6WVtb1t9CxTVRUSaNVpjJtVZcm88T7MX5GipOj99VVjIfZG1NZZPMZdAZyDxJZD7oyGCeHF0X9EuHekhEcfqCwldVdR9eZDbZytO9yHgisrz/ODDwLkz1FIXeUxRmTzFBEOezok5IXuV9O5bHt5HI9rf0Ht8kO5LxqHt0mXdhqqcojnqKJXrFxYbvijph9y7b8UiGmbhlby3Pw0RelyJfu8Z1qSOqiaNmdrP9+TrdpbO+pJP14ZrZ7vg3ZhtFbXoIz5miOHyfK9aTSZYzlb7+Pmcqj/3sur6euPTQY5w4eaD15HCubni484dA+wfQz0OJ0+/bhjBbvA2J+TC2WR3Ok6yee9+H+7FZ8XRhDisj1V4F2hgqm1hQ6O26PkMndYhKv7nejPkC6fO8qUlfb7eN+Os+Q+UK03uK76TZ0ETFNb6g0DBFVn2G2l86Qsgqur9LxYVcjZodzzb+ShXWZk+0pU7FNTVP1aFoqDyHtbAY34108uTr4syYG33xdaBKLK1+/G0DXVp+rP+dIrbOVyUe61ViWc+M7eFzzMk9Noris1HB/+YGhtWQqPfQshVNTHNC0ZAYS3znqt1mtVhpDjPnhFjR56pYRPnCakhETQBSrLZwDouIRhYdCEPiNWMt7BqHl5ho5NMUCU8lYayy8FSuMErzT5WcckgEg8LAoDAwKAwMCgODwsCgMDAoDAwKA4PCwKAwMCgMDAoDg8LAoDAwKAwMCgODwsCgMDAoDAwKA4PCwKAwMCgMDAoDg8LAoDAwKAwMCgODwsCgMDAoDAwKA4PCwKAwMCgMDAoDg8LAoDAwKAwMCgODwsCgMDAoDAwKA4PCwKAwMCgMDAoDg8LAoDAwKAwMCgODwsCgMDAoDAzvO6UTO+rmy0mYvrVu6M3gkvngaFPwwTwJFksZPvJ1NUNi9+FFZv2+zHYqGWvp/fglm9BBNcDVCJPkVZYyllE3O96sZNH/Jl9Cx9QA1tsClzZglHWwzXQ2U+ncLQ7Hk7Wkz8MwcVygaF/pKjjPYfmNQ+96tFktMk+HONZyJ9OIx0OXDcCdh8Q4NuLeyGo7k5/7okrkzzZACBa4Vte+jbpD4rmd09uutml2z4X+B5EOiWZu6uwx7SSs6KexbXQdC746eK0h8dywR1GnXOrEVaaR2tsCXxLDLx/y7yVeUZavqguQi1vbly3bbaosmiV/i5QtLHzl62KF5T8q+rG+nC9b2p/7PanOxQpT6Ek3S7xo0tSvCbFqDMm5EagoH2XXlWElTG/cvFmV81vC/LhbJqvounNYLzpcZd3aIqToy3xZfoqmjbJ8WQnzIeuWKq3JfDl//CXn8d25KQyM6/n3sBuBwsCgMDD+ArGfdktKPF9VAAAAAElFTkSuQmCCAA==" ><br>·<img src="data:image/png;base64,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" ><br>·<img src="data:image/png;base64,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" >

图示结构弯矩图形状正确的是( )。
·<img src="data:image/png;base64,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" >
·<img src="data:image/png;base64,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" >
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·<img src="data:image/png;base64,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" >

出自：佳木斯大学语言治疗学

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