问题
填空题
全塑电缆的基本单位由25对线分层绞合，芯层为（），二层为（），外层为（）。
答案
参考答案：3对；9对；13对
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全塑电缆的基本单位由25对线分层绞合，芯层为（），二层为（），外层为（）。
参考答案：3对；9对；13对
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| Back in my country, when I was a child, I used to go to "market day" with my mother. One day each week, farmers used to 1 their fruit and vegetables into the city. They 2 one street to all cars, and the farmers set up tables for their 3 . This outdoor market was a great place to 4 . Everything was fresher than produce in grocery stores because the farmers brought it in 5 after the harvest. My mother and I always got there early in the morning to get the 6 produce. The outdoor market was a wonderful adventure for a small child, 7 was like a festival-full of colors and 8 . There are red tomatoes, yellow lemons, green lettuce, peppers, grapes, onions. The farmers did their-own 9 . They all shouted loudly for 10 to buy their produce. "Come and buy my beautiful oranges! They're juicy and delicious and full of vitamins to 11 your children healthy and strong!" Everyone used to 12 with the farmers over the 13 of their produce. It was like a wonderful drama in a theatre; the buyers and sellers were the " 14 " in this drama. My mother was an 15 at this. First, she picked the freshest, most attractive tomatoes, for example. Then she asked the price. The seller told her. "What?" she said. She looked very surprised. "So 16 ?" The seller looked terribly 17 . "My dear lady!" he replied. "I'm a poor, 18 farmer. These are the cheapest tomatoes on the market!" They always argued for several minutes before agreeing 19 a price. My mother took her tomatoes and left. Both buyer and seller were 20 . The drama was over. | ||||
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