设计模型的作用是为了表达某种设计意图而制作的模型。
参考答案:对
资源严重减少的主要常用野生药材物种
A.肉豆蔻B.洋金花C.山茱萸D.梅花鹿茸E.蕲蛇
There are forty five students in our class, and they are _____ interested in football.
A.most
B.almost
C.nearly
D.mostly