问题
判断题
大批生产和单件生产，它们的准备时间与基本时间的比例基本相同。（）
答案
参考答案：错
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大批生产和单件生产，它们的准备时间与基本时间的比例基本相同。（）
参考答案：错
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| Even before my father left us, my mother had to go back to work to support our family. Once I came 1 the kitchen, complaining, "Mom, I can't peel (剥皮) potatoes. I have only one 2 " Mom never looked 3 from sewing. "You get yourself into that kitchen and peel those potatoes." she told me. "And don't ever 4 that as an excuse for anything again!" In the second grade, our teacher lined up my class on the 5 and had each of us 6 across the monkey bars(单杠), swinging from one high steel rod (杆) to the next. When it was my 7 I shook my head. Some kids behind me laughed, and I went home 8 . That night I told Mom about it. She hugged me, and I saw her "we'll see about that" 9 . The next afternoon, she 10 me back to school. At the deserted playground, Mom looked 11 at the bars. "Now pull up with your right arm," she advised. She 12 as I struggled to 13 myself with my right hand 14 I could hook (钩住) the bar with my other elbow. Day after day we 15 , and she 16 me for every rung (横档) I 17 . I'll never forget the next time, 18 the rungs, I looked down at the 19 who were standing with their mouths 20 . | ||||
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