皮皮学，免费搜题
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搜题
【单选题】
PLC的扫描周期不包括( )A.
输入采样阶段
B.
定时扫描阶段
C.
输出刷新阶段
D.
程序执行阶段
拍照语音搜题，微信中搜索"皮皮学"使用
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】How is the man going to pay?
A.
By credit card
B.
By check
C.
Cash on delivery
D.
By bank transfer
【单选题】How is the man going to spend his afternoon?
A.
He is going to take an auto mechanics class.
B.
He is going to take his car to an auto mechanics shop.
C.
He is going for a drive.
D.
He is going to change the oil in his car, and clean it.
【单选题】How is the man going to pay his bill?
A.
In cash.
B.
By credit card.
C.
With a traveler’s check.
D.
With his smart phone.
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