【单选题】If law and order ______ not preserved, people will not he able to live a secure life.
【单选题】If law and order ______ not preserved, people will not be able to live a secure life. ( )
【多选题】期末余额可能在贷方也可能在借方的账户有( )。
【简答题】If law and order not preserved,people will not be able tO live a secure life.
【单选题】If law and order______not maintained, neither the citizens nor their properties are safe.
【判断题】COD是指在一定条件下用强氧化剂处理水样时,所消耗的氧化剂量,耗氧越多表明水质越好,一般工业废水的最高容许COD排放值为100 mg/L
【单选题】. If law and order _____, neither the citizen nor his family is safe.
D.
have not been preserved
【单选题】If law and order as well as rules and regulations _____, neither the citizen nor his property is safe. [ ]
【多选题】对COD说法正确的是()
B.
在一定的条件下采用一定的强氧化剂处理水样时所消耗的氧化剂量