问题
单项选择题
沥青混凝土道面必须完整、平坦，（）米范围内的高差不得大于15毫米。
A.2
B.3
C.5
D.10
答案
参考答案：B
搜题请搜索小程序“爱下问搜题”
沥青混凝土道面必须完整、平坦，（）米范围内的高差不得大于15毫米。
A.2
B.3
C.5
D.10
参考答案：B
| 阅读理解。 | |
mother in? " " Yes! " Jack answers. Then the salesman rings the doorbell (门铃). No one answers. The man asks Jack, " Nobody is at home? " " Right! " Jack answers, " But this is not my house." 根据短文内容，判断句子对(√)错(×)。 ( ) 1. Jack is reading in front of his house. ( ) 2. Jack's mother is at home. ( ) 3. The salesman asks Jack, " Is your mother in? " ( ) 4. Jack's mother goes shopping. |