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【单选题】
下列选项中不属于 PLC 硬件系统组成的是()A.
中央处理器
B.
输入输出接口
C.
系统程序
D.
通讯接口
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参考解析：
知识点：
皮皮学刷刷变学霸
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【简答题】装卸搬运作业是容易造成仓储物品毁损的主要环节,所以做好装卸搬运作业,不仅有利于降低( ),也能大幅度降低( )。
【单选题】水准测量中, A 、 B 分别为后、前视点, HA=25.000m ,后视读数为 1.426m ,前视读数为 1.150m ,则仪器的视线高程为( )。
A.
24.724m
B.
26.150m
C.
26.426m
【单选题】He's ill. He's in the hospital.
A.
I'm sorry to hear that.
B.
It's great.
C.
I'm happy.
【简答题】阅读理解。 The Chinese boy is Li Lei. He's thir. He's in No.3 Middle School. He's in Class Two, Grade One. His good friend is Jack. He's English. He's in Li Lei's school. He's in Class One, Grade Two. ...
【单选题】What CANNOT be inferred about Milosevic?
A.
He's in poor health.
B.
He's in the Hague.
C.
He insisted on self-defense.
D.
He insisted on self-appointed lawyers.
【单选题】水准测量中, A 、 B 分别为后、前视点, HA=25.000 米,后视读数为 1.426 米,前视读数为 1.150 米,则仪器的实际高程为( )
A.
24.724 米
B.
26.150 米
C.
25.276 米
D.
26.426 米
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