高三数学周测（
60分钟）一、单选题
1．已知集合
<Object: word/embeddings/oleObject1.bin>
，<Object: word/embeddings/oleObject2.bin>
，则<Object: word/embeddings/oleObject3.bin>
（）A．<Object: word/embeddings/oleObject4.bin>
B．<Object: word/embeddings/oleObject5.bin>
C．<Object: word/embeddings/oleObject6.bin>
D．<Object: word/embeddings/oleObject7.bin>
2．若复数<Object: word/embeddings/oleObject8.bin>
，i是虚数单位，则
<Object: word/embeddings/oleObject9.bin>
（）A．B．<Object: word/embeddings/oleObject10.bin>
C．1D．23．已知直线
l和平面α，β，且lα，则“l ...