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单选题 
学科：高等数学下册
时间：2026-05-18 04:01:59
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题目1判断题
<img src="https://tihai-oss-cloud.itihey.com/img/7fe8af3f332338c17a3a1dea4a3dd40b.png">A. 正确B. 错误
题目2单选题
<img src="https://tihai-oss-cloud.itihey.com/img/c6fb58def442ca61d82b03cd2da836da.png">A. 直线在平面内B. 平行C. 垂直D. 相交但不垂直
题目3单选题
<img src="https://tihai-oss-cloud.itihey.com/img/4ba8bddb78b23eba6d407f883129aa24.png">A. {1,5,-7}B. -3C. {1,-5,-7}D. 3
题目4单选题
<img src="https://tihai-oss-cloud.itihey.com/img/d8ea70eb3560752f5cab2450742359d1.png">A. <img src="https://tihai-oss-cloud.itihey.com/img/2d99a8e30e854139548c90f2228533b0.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/cb6b6d25728c921a3ca8dd7ba0f31020.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/19a550fe41d5865a1872abf4b5b5f411.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/4a7d613475f4024cdeb0eeb987edf6b1.png">
题目5单选题
<img src="https://tihai-oss-cloud.itihey.com/img/b7d3afde81882ba59b9d6c76fa50a55f.png">A. 重合B. 垂直C. 平行D. 无法判定
题目6单选题
<img src="https://tihai-oss-cloud.itihey.com/img/245cb56eb4842bdb30a1047918e87899.png">A. <img src="https://tihai-oss-cloud.itihey.com/img/5d68cc34eda0c19d718ca825d5b4539c.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/b0f5ccb9fb046011e1bb8f9849953b9c.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/48154fedd1a2e6eecf95a7037d083aa0.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/cdc376f32cf8f7b36912b4b2e76411e9.png">
题目7单选题
<img src="https://tihai-oss-cloud.itihey.com/img/7c103aa68725bca184baaf486855654b.png">A. <img src="https://tihai-oss-cloud.itihey.com/img/af514cc9658d63a6f1dc10540e033328.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/7579f70034a717e5c7938e0e5b4dad17.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/2b43f7cdc574fe0da77ca85b5d32f0b7.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/dd8db945bef516c42f9e139dffb6529b.png">
题目8单选题
<img src="https://tihai-oss-cloud.itihey.com/img/201df60033fcad34da44623e9927419f.png">A. <img src="https://tihai-oss-cloud.itihey.com/img/d6532a28fdab3a23b3319ffd583e3fd0.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/ef2b74d64c060190554758301bf7f383.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/d3fc182c812c703a92d0632ab76fa1ac.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/084139fafff3cdae46b0c52c19ef5a4a.png">
题目9单选题
<img src="https://tihai-oss-cloud.itihey.com/img/5ab6fb0d22c9f6b791abcb7d3b243d3f.png">A. <img src="https://tihai-oss-cloud.itihey.com/img/c1bec64125a40f1546759dcf4289d784.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/bbff54c2316938e6ebaa86ecb496591f.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/1e70e420616cc5886085eb85a76646b9.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/3055a612481116eed7d431e1f19552c0.png">
题目10多选题
<img src="https://tihai-oss-cloud.itihey.com/img/76d466e3a32ebfe69a621527a8a37905.png">A. 极限存在B. 连续C. 偏导数存在D. 可微E. 沿任意方向的方向导数存在
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