The theme of Thanksgiving Day is ____.
A. friendship and award
B. love and happiness
C. happiness and peace
D. thankfulness and harvest
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There are ____ disciples in the famous painting of“The Last Supper”.
A. ten
B. twelve
C. Thirteen
D. five
Which topics are not proper between the colleagues in western countries?
A. You've put on weight.
B. That color doesn't suit you.
C. How old are you?
D. How much money do you make?
在三菱FX系列PLC中，与非指令是（ ）。
A. OR
B. ORI
C. AND
D. ANI
（ ）是上升沿微分输出指令，即当触发信号有上升沿时，指定继电器输出一个扫描周期的脉冲。
A. SET
B. RET
C. PLS
D. PLF
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