在四阶行列式的展开式中，下列各项中带正号的是（ ）。 A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/158559e94ae84536851f378e695766bb.png"> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/e8261729bcf04dd7ac6f192652f99b12.png"> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/13225b1635fb485abb17dff408bd73ad.png"> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/e205784d50a344d391c347f37d428eb7.png">

根据立体图，画法正确的三视图是（）。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/285dfe434ee2438596d8790400d06723.png

会使红细胞发生溶血的溶液是（ ） A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/1fde1a8472db47c487a3f3a7dfbb15d9.png"> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/f6a95d1eb350439a83e5ca72a1ee06e4.png"> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/9cecb935756e42ee82deae34093595f4.png"> D: 生理盐水和10倍体积水的混合液

图示应力圆对应于应力状态<img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/a61d48f304e9454fb6f3d8fcac0a5888.png" /> A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/fa83fd043ee946869755b338236b2b0e.png" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/77ff74928a3642928e805440db706068.png" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/6cce8e25b7ec4d00895cd86fabc16f64.png" /> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/62d9a4357886450cbfb0bde0deda67ec.png" />

根据所给 立体图， 在下方 24张视图中， 找出 对应 的三视图。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201902/043e34c42871455fa54c16b19c64744a.png