高二数学必修五不等式单元练习
一、选择题
1、已知
<Object: word/embeddings/oleObject1.bin>
，<Object: word/embeddings/oleObject2.bin>
，且<Object: word/embeddings/oleObject3.bin>
、<Object: word/embeddings/oleObject4.bin>
不为<Object: word/embeddings/oleObject5.bin>
，那么下列不等式成立的是（ ）
A．<Object: word/embeddings/oleObject6.bin>
B．<Object: word/embeddings/oleObject7.bin>
C．<Object: word/embeddings/oleObject8.bin>
D．<Object: word/embeddings/oleObject9.bin>
2、下列命题中正确的是（ ）
A．若<Object: word/embeddings/oleObject10.bin>
，则<Object: word ...