路基的强度与稳定性同路基的（）有密切关系，并在很大程度会上影_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题填空题

路基的强度与稳定性同路基的（）有密切关系，并在很大程度会上影响路面结构设计。

答案

参考答案：干湿状态

阅读理解

完形填空（每空1分，共10分）
Hello! My name’s Alice. I’m a high school student. I’m very___1__every week. From Monday to Friday I go to school. I do homewor in the evening. I’m so tired that I want__2__a good rest at weekend.___3__ my mother often asks me to go__4__with her on Saturday morning. It usually__5__me about an hour .I___6__ enjoy these activities. When my mother goes shopping and I sit on a box and wait for her. Last Saturday, there was more noise than usual and everyone was in a hurry. My mother bought__7__of things, such as meat, fish, fruit and vegetables.After one__8_ , a woman came up to me,“Excuse me,”she said. “Are you Alice? Your mother just__9___shopping , but her bags are very heavy. She wants you to carry them home__10__her.”

填空题

石碱（化学式为（Na₂CO₃•10H₂O）在生活中常被用作去除油腻的洗涤剂．请回答：

（1）石碱中Na：C：O：H元素的质量比为：______．

（2）石碱中钠元素的质量分数为______（精确到0.1%）．

（3）石碱的摩尔质量为______．