题目

                            Sleeping Pills(药片)      Mr. Smith works in an office. He's very busy and has no time to have a good rest. Every evening, when he comes back from his office, he's always tired and wants to go to bed early. But his wife often has a lot of interesting things to tell him after supper. So it's usually too late when Mr. Smith can go to bed, but he has to get up early next morning.      One day the man didn’t feel well and couldn't go to work. He decided to go to see a doctor. And Mrs. Smith went to the hospital with him. Before h（1）计算：（5-3）0-12-3+|-6|+2sin60°+（-32）-（-2）-2（2）先化简：（1-1x-1）÷x2-4x+4x2-1，然后从-2≤x≤2小范围内选取一个合适的整数作为x的值代入求值．