下列关于S7200PLC中，加计数器指令说法正确的是（）
A.加计数器指令中R=0时，CU端每来一次脉冲上升沿，计数器的当前值加1
B.当前值大于或等于预设值时，计数器输出状态位为1
C.当复位输入端R=1时，计数器输出状态位清0，但当前值不清0
D.当复位输入端R=1时，计数器输出状态位和当前值都清0
《荆轲刺秦王》与《英雄》两部电影在表达的主题、风格和内容上基本相同。（）
A. 对
B. 错
1. Don't interfere with their plans. They have to decide by themselves what to do.
A. forget to
B. get involved
C. make easier
The programmers will have to alter the software because it doesn't work right.
A. change
B. eliminate
C. sell
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