【单选题】听力原文: In different parts of Britain, people call their meals by different names. It's very complicated. For most people the main meal of the day is called dinner. But some families eat this at mid-day...
【简答题】Of
the more than two hundred countries in the world, English is spoken in about
______ .A. one-fifth of the countries B. one-fourth of the countries C. one-third of the countries D. half of the countr...
【多选题】人工挖孔灌注桩的优点是:
D.
施工时可在孔内直接检查成孔质量,观察地质土质变化情况。
【单选题】在保险单证签发后对保险合同的内容进行修改补充或增删所进行的一系列作业称为( )。
【单选题】中国特色社会主义法治体系本质上是( )。
【判断题】人体细胞没有细胞壁,因此β-内酰胺类抗生素对人体细胞无作用,故毒性很低。
【单选题】关于人工挖孔灌注桩的特点,说法错误的是( )。
B.
可直接检查桩直径、垂直度和持力层情况,桩质量可靠
D.
施工无振动、无噪声、无环境污染,对周边建筑无影响