【简答题】徐变主要是由混凝土中______所引起的,它产生于______和______,故在其它条件相同时,水泥用量越多,徐变值______;水灰比愈大,徐变值越______。
【判断题】Many businesses have shifted their base to the newly developed areas now.
【简答题】Many businesses have been closed as aresult of the economic ________.A. er B. cr C. situation D. collapse
【简答题】Many businesses have replaced cash registers with point-of-sale (POS) terminals.
【判断题】护理人员能用自己的专业知识及技能决定的护理措施及护理服务,属于独立性护理功能
【简答题】Many businesses have because of the recession.
【单选题】Many businesses have been closed as a result of the economic ________.