题目

完形填空 My kids and I were heading into the supermarket over the weekend. On the way, we spotted a man holding a piece of paper that said, “1 my job. Family to Feed.” At this store, a 2 like this is not normal. My 10­year­old noticed him and made a 3on how bad it must be to have to stand 4 in the cold wind. In the store, I asked each of my kids to5 something they thought our “friend” there would6.They got apples, a sandwich and a bottle of juice. Then my 17­year­old suggested giving him a 7.I thought about it. We were 8 on cash ourselves, but...well, sometimes 9from our need设抛物线y2＝8x的准线与x轴交于点Q，若过点Q的直线l与抛物线有公共点，则直线l的斜率取值范围是(　　)A． B．[－2,2] C．[－1,1] D．[－4,4]