题目内容
One reason for the good health of the people in Vilcabamba must be the clean, beautiful environment.
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Calories, natural food, mountains and the distance from modem cities are the only common things in the three regions.
在应用指数修匀法进行估价时，要进行修匀常数a的试算，用哪个常数a修正的预测值与实际值的相对误差最小，就以这个常数来修正最合适。()
There were two small rooms in the beach house, ______served as a kitchen.
管理费用、销售费用、财务费用和制造费用均属于期间费用。
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