填空题. A. defining B. masticate C. taste D. indispensable E. recipe F. attendance G. materials H. ingredients I. cookery J. emergence K. proof L. feast M. vital N. mentioning O. pudding The subject is picnics. Please take notes and smoke if you wish. We will kick off by 11 not what a picnic is, but what a picnic is not. A picnic is not a(n) 12 of cold chicken, tomato salad, ham and warmish white wine consumed off a fine tablecloth in field or wood. Such a meal is only a portable business lunch, eaten at a table without legs. A picnic is not sandwiches. Nor is it hamburgers, spirit kettles, collapsible stools, storm- 13 oven and so on. What, then, is a picnic? The following elements are 14 . ONE: children. A picnic without children is like roast beef without Yorkshire 15 . Children are the whole delight and purpose of a picnic. TWO: glorious weather. This is 16 , for picnics and rain clothes do not go hand in hand. Picnics were intended to be eaten under a blue sky, with wasps in the 17 . THREE: a good site. There must be streams to fall in, trees to fall out of, hills to roll down, and preferably a mad bull somewhere in sight. This gives picnicking its proper air of adventure. FOUR: the right food. The following 18 is selected from a lifetime's experience and will yield a successful picnic for four people. You get four small deep carrier bags. Into each carrier bag you place these 19 : one banana, one orange, one small portion of processed cheese, one handful of assorted biscuits, one packet of chewing gum, one sausage roll, one bag of potato crisps, one hand-boiled egg and other items to 20 . You hand out the carrier bags to your picnickers and set off. You do not worry about anything.