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已知集合eqIdf4f550ca1b07424095caaba8ef73ea8eeqIdd3ae00f6496348bd914209468a646f9c,若eqId0029dcbe0be5451582ef2b534f9d9c0d,则eqIdd321c2c4c0c74ea09a1712449cceca7e(   )
A.eqId38d4940f1d8f47419ed964625d97597aB.eqId7ffc06090b80456195f91cb1f5e2ddebC.eqIdc6cb48aee85744108f104c0cc2bea629D.eqId8f1d0497a652471c957e49dd96092133
单选题 | 较易(0.85) | 2020·江苏宝应中学开学考试
设集合eqIdecf3da121fde4644bdc5c0a969114742eqId4f6db8b7e1ca4947b70522c06eda4eea,则下列选项正确的是(   )
A.eqId862f9eda3caf49b1b6587ac8bae07d83B.eqIde333c6aa2f9f493b8eb05ccdaa1b928fC.eqId1f3c3db3ef714d51941d5de067b5cdccD.eqId1f287f374bdb4182b9d69fb7fda55a35
单选题 | 较易(0.85) | 2020·广东濠江·金山中学月考
设集合eqId6a6d0c6996be40c6b1a49a9e998e1641eqIda5caea6dc3da4d9e816ec099235d6da6,则(   )
A.eqId6e0e6080e543409e84586bc262ef9164B.eqIde3a13bcd336b442786df8f11276fcf67C.eqId5d69e45d5daa43318a00a0ca6e516d24D.eqIde84229811bc74b4ca43054202a8df437
单选题 | 容易(0.94) | 2020·南京大学附属中学月考
设集合eqIdfae7bf0890e243cd87bf678ba0e6b236eqIda75065f1814348eaa83c415c72a2c8a9,则eqIdd321c2c4c0c74ea09a1712449cceca7e(   )
A.eqId35cf1b2ad145488c8ecb28071e3649c8B.eqIdcdc8650aad3343ca98112d7539dc1cfd
C.eqIdad34a25427874c75a2bc4fb7c9498fbeD.eqIdb548ba57e4c348ceb59340a62969758b
解答题 | 一般(0.65) | 2020·河南罗山·月考(文)
已知集合eqId4d88c9c824144ed181b6a51809564722.
(1)若eqId316e2199840e418e87252dba1d7d7ffd,求eqId672f6a959ca046e1ac193e8e6d66be50
(2)若eqIdd0b7ff9dff15434782b506d41dd5dfa2,求实数eqId70a27b6ddf6b478285353abb3b1f3741的取值范围.