【判断题】古典文明包括古希腊文明、古罗马文明以及古埃及文明。()
【单选题】Which of the listed chemicals can be routinely used to maintain the hygienic quality of potable water?
【判断题】在EXCEL中,给工作表设置背景,可以通过页面布局完成。
【单选题】The DBMS can maintain the integrity of the database by allowing ______ to update the same record at the same time.
C.
two customers with similar customer numbers
【判断题】在Excel2010中,给工作表设置背景,可以通过“插入”选项卡完成。
【单选题】Which of the following advantages doesn't the TRAM have?
A.
The TRAM can help maintain continuous measurements
B.
The instruments on the TRAM can be used for many times
C.
The TRAM weighs only 18 kilograms
D.
The TRAM can be operated from the ground
【简答题】下面表示特殊符号的HTML标签有:A. 空格——& nbsp; B. 版权©——& copy; C. 小于号>——& gt; D. 大于号
【简答题】Scholars maintain that social development can easily _____ language changes. A. bring forward B. bring about C. bring out D. bring up