草坪和()可以削弱噪音强度,减轻风灾危害程度。A、房屋 B、树木 C、河流 D、花卉 发布时间:2019-09-07 11:13 │ 来源:www.tikuol.com 题型:单项选择题 问题: 草坪和()可以削弱噪音强度,减轻风灾危害程度。A、房屋B、树木C、河流D、花卉
题型:单项选择题 There are a lot of apples ______ the tree and some birds are ______ the tree, too. [ ]A. in, in B. in, on C. on, on D. on, in 查看答案