一.选择题:本大题共10小题,每小题5分
,共50分.在每小题给出的四个选项中,只有一项是符合题目规定的
数<Object: word/embeddings/oleObject1.bin>
的定义域是
A、<Object: word/embeddings/oleObject2.bin>
B、<Object: word/embeddings/oleObject3.bin>
C、<Object: word/embeddings/oleObject4.bin>
D、<Object: word/embeddings/oleObject5.bin>
2、在等差数列
<Object: word/embeddings/oleObject6.bin>
中,<Object: word/embeddings/oleObject7.bin>
=9,<Object: word/embeddings/oleObject8.bin>
=3,则<Object: word/embeddings/oleObject9.bin>
=A、-3 B
、0 C
、3 D
、63、已知实数
<Object: word/embed ...


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