施工日志
参考答案:
应由项目经理部确定专人负责填写,记录从工程开工之日起至竣工之日止的全部技术质量管理和生产经营活动。
水体被有机物污染后,耗氧量增加。我国《饮用天然矿泉水卫生标准》规定耗氧量不得超过多少,特殊情况下不超过5mg/L()。
A.0.5mg/L(以O2计)
B.1mg/L(以O2计)
C.2mg/L(以O2计)
D.3mg/L(以O2计)
E.4mg/L(以O2计)
American Indian languages, which differ widely, tended to group many units of meaning into multisyllabic words.()
A. all tend
B. and tend
C. to tend
D. tending