http://image.zhihuishu.com/zhs/onlineexam/ueditor/201801/7fd9024d3a004d5990381d58527fa633.png

http://image.zhihuishu.com/zhs/onlineexam/ueditor/201801/c12b9cef296b443ca06cd2980c89d3f7.png

http://image.zhihuishu.com/zhs/onlineexam/ueditor/201801/1290f16d3bff44ee8c99d548a838f423.png

http://image.zhihuishu.com/zhs/onlineexam/ueditor/201801/da6abf26eacc401da550cde46496666b.png

http://image.zhihuishu.com/zhs/onlineexam/ueditor/201801/8b154e380bdd4676a37360d210a69923.png

http://image.zhihuishu.com/zhs/onlineexam/ueditor/201801/532cfa196ddd479aaaa30c9c02c23e57.png

http://image.zhihuishu.com/zhs/onlineexam/ueditor/201801/634d52b7ac1341c0bbd190eacb473e23.png

http://image.zhihuishu.com/zhs/onlineexam/ueditor/201801/cc3d30b962234ad9ae0b09b2d37070b3.png

http://image.zhihuishu.com/zhs/onlineexam/ueditor/201801/ae30d7c9a9be438aa2ecc5e05e2383f3.png

简支梁受载荷并取坐标系如图所示，则弯矩M，剪力Fs与分布载荷q之间的关系以及挠曲线近似微分方程为（ ）？<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201801/138661fa31514ec18f3260ea016751ba.png" /> A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201801/c9a73bdd6deb4aab9f9896630a771c20.png" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201801/c71656ece7e440d98230ae56ffb09033.png" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201801/d2d3cc05628d40ca87ed8b079bf4b5db.png" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201801/221b51adf2024d8ab8fdc9963e10d940.png" />