簡介:1點(diǎn)集拓?fù)鋵W(xué)期末考試點(diǎn)集拓?fù)鋵W(xué)期末考試一、單項(xiàng)選擇題(每題一、單項(xiàng)選擇題(每題1分)分)1、已知,下列集族中,()是上的拓?fù)鋥,,,,}XABCDE?X①②{,,{},{,},{,,}}XAABACE??T{,,{,,},{,,},{,,,}}XABCABDABCE??T③④答案③{,,{},{,}}XAAB??T{,,{},{},{},{},{}}XABCDE??T2、設(shè),下列集族中,()是上的拓?fù)鋥,,}XABC?X①②{,,{},{,},{}}XAABC??T{,,{},{,},{,}}XAABAC??T③④答案②{,,{},{},{,}}XABAC??T{,,{},{},{}}XABC??T3、已知,下列集族中,()是上的拓?fù)鋥,,,}XABCD?X①②{,,{},{,},{,,}}XAABACD??T{,,{,,},{,,}}XABCABD??T③④答案①{,,{},{},{,,}}XABACD??T{,,{},{}}XAB??T4、設(shè),下列集族中,()是上的拓?fù)鋥,,}XABC?X①②{,,{},{},{,}}XBCAB??T{,,{},{},{,},{,}}XABABAC??T③④答案②{,,{},{},{,}}XABAC??T{,,{},{},{}}XABC??T5、已知,下列集族中,()是上的拓?fù)鋥,,,}XABCD?X①②{,,{,},{,,}}XABACD??T{,,{,},{,,}}XABACD??T③④答案④{,,{},{},{,,}}XABACD??T{,,{},{},{,}}XACAC??T6、設(shè),下列集族中,()是上的拓?fù)鋥,,}XABC?X①②{,,{},{},{,}}XABBC??T{,,{,},{,}}XABBC??T③④答案③{,,{},{,}}XAAC??T{,,{},{},{}}XABC??T7、已知,拓?fù)?則(){,,,}XABCD?{,,{}}XA??T}{B①Φ②③④答案④X{}B{,,}BCD8、已知,拓?fù)?則(){,,,}XABCD?{,,{}}XA??T{,,}BCD320、在實(shí)數(shù)空間中,有理數(shù)集的邊界是()QQ?①②Q③RQ④R答案④?21、在實(shí)數(shù)空間中,整數(shù)集的內(nèi)部是()ZZ?①②③RZ④R答案①?Z22、在實(shí)數(shù)空間中,整數(shù)集的邊界是()ZZ?①②③RZ④R答案②?Z23、在實(shí)數(shù)空間中,區(qū)間的邊界是()0,1①②③④答案③?0,1{0,1}0,124、在實(shí)數(shù)空間中,區(qū)間的邊界是()2,3①②③④答案③?2,3{2,3}2,325、在實(shí)數(shù)空間中,區(qū)間的內(nèi)部是()0,1①②③④答案④?0,1{0,1}0,126、設(shè)是一個(gè)拓?fù)淇臻g,A,B是的子集,則下列關(guān)系中錯(cuò)誤的是()XX①②DABDADB???ABAB???③④答案③DABDADB???AA?27、設(shè)是一個(gè)拓?fù)淇臻g,A,B是的子集,則下列關(guān)系中正確的是()XX①②DABDADB???ABAB???③④答案①DABDADB???AA?28、設(shè)是一個(gè)拓?fù)淇臻g,A,B是的子集,則下列關(guān)系中正確的是()XX①②DABAB???ABAB???③④答案④DABDADB???DDAADA??29、已知是一個(gè)離散拓?fù)淇臻g,A是的子集,則下列結(jié)論中正確的是()XX①②DA??DAXA??③④答案①DAA?DAX?
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