[多项选择]以下关于注浆堵水说法正确的有() A. 注浆堵水主要作用是封堵裂隙,隔离水源,堵塞水点,以减少洞内涌水量,改善施工条件 B. 注浆浆液常用的有:水泥浆液、水泥—水玻璃浆液以及各种化学浆液 C. 注浆方式可分为分段注浆和全段注浆 D. 注浆扩散半径与岩石裂隙大小、浆液粘度、凝固时间、注浆量无关,只与注浆速度和压力有关
第13题: [单项选择]A. The good colleagues we meet. B. The location of the company we work in. C. The amount of the salary we get. D. The good repute of the company we work in. 参考答案:C 答案解析:[听力原文] 19A new survey finds that what makes us satisfied at work isn’t what’s in our heart