填洼
参考答案:填洼是降雨或融水产生的充填、滞蓄于地面坑洼的现象。为径流形成过程中重要的损失项。
单词拼写
1.We have ________(早餐) at home.
2.Baseball is a very _________(困难的) sport.
3.My _________(名) name is Mary.
4.Sportsmen have lots of __________(健康的) food every day.
5.I have two __________(字典).
变动成本法的产品成本包括全部的制造费用。