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第一层相邻两边的包装体都互为90°，两层之间的堆码相差180°的堆码方式是：（）。
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合理的堆码能够尽量提高仓库的实用率，同时要考虑（ C ）原则，堆码后的商品要整齐、牢固，提高作业效率。
Fill in the blanks with the words given below. Change the form where necessary. Each word can be used only once.1. By decreasing the tax rate, the government can ________________ or encourage consumer spending, business transactions (交易) and investments.2. Our bodies have greater ________________ than most of us realize, and we can benefit by remembering this.3. One important feature of team sports is that they can __________________ people's team spirit and sense of collective honor.4. Human behavior is mostly a product of learning, while animal behavior depends mainly upon ___________________.5. She has been saving money in the past two years, so she is _______________ that in the coming summer she will be able to afford a journey abroad.6. The doctor __________________ him that his condition was not serious and he would recover soon after a minor operation.7. Generally, children display great _________________ about every new thing they see, and they want to find out more about it.8. He was proud of being chosen to _____________________ in the game, and he promised that he would try as hard as possible.9. Though it has met with considerable enthusiasm, there has been resistance from some parents to this new __________________ to teaching and learning.10. The room only had a(n) _________________ for 100 people. However, over 200 enthusiastic students came to listen to the lecture.
从腰围线量至臀围线的长度，称为__________。
从腰围线到脚踝处的直线距离，通常时我们用来判定________的尺寸。
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