题目

完形填空Whatare the foods that you can only taste in memories? Your mother's biscuits? Thepies you made as a child? And what are the recipes that help you 1yourmemories?Thismorning, for the first time in over a year, made Dutch Babies, a kind ofpancake. I'm a poor cook who's always 2 to pull anything out of the oven that isn'tburnt. But 3, I get lucky.MakingDutch Babies brings to my mind some of the 4 memories of my life. I've made Dutch Babiesmany times for sleepovers and 5.They were always a hit, 6 burned them.Aftermy kids grew up, I didn't cook much for years, except for holidays or oth如图所示，两个重20 N的相同的物块A、B叠放在一起，受到10 N的水平推力F1的作用，在水平地面上一起做匀速直线运动，则此时物体B受到摩擦力大小是_______N；若将B与A并列，并让它们一起在同一水平地面上匀速前进，那么需要的水平推力F2_______（>／＝／<）F1．