【简答题】Shortly after the small country gained its independence, it was _____ by most of the countries in the world. a. committed b. admitted c. recognized d. trusted
【判断题】效益最佳原则是要实现工业企业获利、商业企业发展、零售客户盈利、消费者满意的"多赢"局面。
【单选题】During the 19th century, Jews in most European countries achieved some equality of status with non-Jews. Nonetheless, at times Jews were harassed by anti-Semitic groups.
【单选题】Joe had many regrets when he ____ the years he spent abroad.
【多选题】关于SBR的说法中,哪些是错误的
A.
SBR 反应池,该池集均化池、初沉池、生物降解池、二沉池等功能于一池,需污泥回流系统。
B.
SBR 反应池,该池集均化池、初沉池、生物降解池、二沉池等功能于一池,无污泥回流系统。
C.
SBR 反应池,该池集均化池、初沉池、生物降解池等功能于一池,无污泥回流系统,需要 二沉池排除剩余活性污泥。
D.
是一种按间歇曝气方式来运行的活性污泥污水处理技术,采用时间分割的操作方式替代空间分割的操作方式,非稳定生化反应替代稳态生化反应,静置理想沉淀替代传统的动态沉淀。
【单选题】用pH玻璃电极测定pH为13的试液,pH的测定值与实际值的关系为______。
【单选题】需要维持药物有效血浓度时,须采用连续多次给药,正确的给药的间隔时间是
【单选题】以下注射模浇口类型中,属于非限制性浇口的是( )
【单选题】In the middle of the 19th century most countries in the world were______.
A.
interested in stamp collecting
B.
not yet using postage stamps
C.
buying stamps from London
D.
trying to make money from stamp printing