【单选题】已知集合M={x||x-1|≤2,x∈R}, ,则M∩P等于 [ ]
【简答题】已知集合M={x∈z|x 2 ≤1},N={x∈R|-1<x≤3},则M∩N=______.
【单选题】已知集合 M={x||x-1|≤2,x∈R},P={x| 5 x+1 ≥1,x∈Z} ,则M∩P等于( )
【单选题】小儿食指第二节,即第二节横纹至第三节横纹之间,为
【单选题】已知集合M={x∈Z|-3<x<0},N={x∈Z|-1≤x≤1},则图中阴影部分表示的集合为 [ ]
【单选题】小儿食指第二节,即第二节横纹至第三节横纹之间,为
【简答题】It was 3:43. Thunder was crashing and the rain was pouring. Suddenly my father rushed into my room. “Adam! Adam! Get up! We’re flooding!” he shouted and shook me by the shoulders. That woke up! I ran ...