问题
问答题 简答题
影响砼强度的因素有哪些？
答案
参考答案：
（1）水灰比和水泥强度等级
（2）养护的温度和湿度
（3）龄期
搜题请搜索小程序“爱下问搜题”
影响砼强度的因素有哪些？
参考答案：
（1）水灰比和水泥强度等级
（2）养护的温度和湿度
（3）龄期
| 完形填空。 | ||||
| How are you, Pin? I'm writing a letter 1 you in my school. It's a big middle 2 . I'm in a big class. There're fifty students in my class. There are about three hundred teachers in my school. My English teacher 3 Mr Liu. 4 is a nice teacher. We go to school 5 Monday to Friday. There are four classes in the morning and two in the afternoon. We play games 6 four on Friday after class. I have many friends at school. One of them 7 America. She speaks English and Chinese. The others 8 Chinese.I like to play 9 them. We often 10 basketball together. That's my favorite game. | ||||
|
