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【单选题】
触摸屏与PLC进行数据交换必须通过( )。A.
主控窗口
B.
实时数据库
C.
系统函数
D.
动画构件
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【简答题】____ A) It has been a federal holiday since 1968. B) It falls on the third Monday in January in America. C) Students go to school as usual on that day. D) Americans must volunteer to serve their commu...
【简答题】--Who is to be honored on the third Monday in February? --President _____ _____ and President _____ _____.
【简答题】____ A) It has been a federal holiday since 1968. B) It falls on the third Monday in January in America. C) Students go to school as usual on that day. D) Americans must volunteer to serve their commu...
【判断题】Washington’s Birthday is also called Presidents’ Day, which is celebrated on the third Monday in February in order to commemorate both George Washington and Franklin Roosevelt. But today, this holiday...
A.
正确
B.
错误
【判断题】On the third Monday of February the United States honors all of its presidents.
A.
正确
B.
错误
【单选题】Whose birthday does the President’s Day on the third Monday in February commemorate?
A.
George Washington
B.
Ronald Reagon
C.
Thomas Jefferson
D.
Barack Obama
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