问题
选择题
— How are you going to visit your grandma?
— On foot. I live ____ walking distance of her house. [ ]
A. within
B. in
C. near
D. close
答案
答案：A
搜题请搜索小程序“爱下问搜题”
— How are you going to visit your grandma?
— On foot. I live ____ walking distance of her house. [ ]
A. within
B. in
C. near
D. close
答案：A
小陈用右图的形式对所学知识进行归纳，其中甲包含了乙、丙、丁…．下表是他对四类物质的具体归类，请你填写丁中的内容
| 甲 | 乙 | 丙 | 丁 | … |
| 例：常见溶剂 | 汽油 | 酒精 | 水 | … |
| 常见可燃性气体 | 氢气 | 液化气 | 煤气 | … |
| 常见含CaCO3的物质 | 大理石 | 石灰石 | 汉白玉 | … |
| 常见糖类物质 | 纤维素 | 葡萄糖 | 淀粉 | … |
