搜题请搜索小程序“爱下问搜题”
问题
填空题
变形缝包括:(),沉()和()。
答案
参考答案:
伸缩缝.降缝 .防震缝
填空题
看图完成下列各句。
1. I often ____________ ____________ on Saturdays.
2. We have ____________, ____________ and ____________ on Tuesdays.
3. ____________ ____________ is it today? It's Monday.
4. I often ____________ ____________ on weekends.
查看答案
问答题 简答题
人—地关系包括哪些内容?
查看答案