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【简答题】
被动句翻译练习: 1. It is believed that the countries of the commonwealth see Britain’s membership of the Community a guarantee that the policies of the community will their interests into account. 2.Our products and parts are warranted against failure or defect arising from normal use for 12 months the date of purchase. Cables are excluded from this warranty. 3. Problems should be resolved in good time. 4. Our proposal to import silk from China was submitted to you. 5. It may be altered only by a written agreement signed by the party against whom enforcement of any change, modification, extension, or discharge is sought. 6.Your check in the amount of $20,000 is being returned to you because it has been made out for the wrong amount. 7. A discrepancy fee of US$2,000 will be deducted from the proceeds if the documents are presented with a discrepancy. 8. It is agreed between the parties as follows.
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参考答案:
举一反三
【多选题】定时器指令S7-200的CPU22X系列的PLC有。
A.
接通延时定时器(TON)
B.
保持型接通延时定时器(TONR)
C.
断开延时定时器(TOF)
D.
保持型断开延时定时器(TOFR)
【简答题】CPU22X代PLC有CPU221、CPU222、( )、( )四种基本型号。
【单选题】以下不属于招标文件中必须包括的实质性条件和内容的是( )。
A.
技术要求
B.
评标标准
C.
投标报价要求
D.
标底
【判断题】水流指示器是报警装置。
A.
正确
B.
错误
【多选题】下列关于银杏科的叙述正确的是
A.
常绿乔木
B.
叶螺旋着生或簇生
C.
顶端为营养长枝,侧边为生殖短枝
D.
叶扇形
E.
球花单性,雌雄同株
F.
种子核果状
G.
种子上端具翅
【简答题】CPU22X系列PLC有哪些型号?
【单选题】CPU22X系列PLC的定时器共有()个。
A.
255
B.
256
C.
258
D.
250
【单选题】S7-200的CPU22X系列PLC有( )个定时器。
A.
32
B.
64
C.
128
D.
256
【单选题】S7-200 的CPU22X系列的PLC有( )个定时器。
A.
128
B.
256
C.
64
D.
512
【判断题】S7-200的CPU22X系列的PLC有256个定时器。
A.
正确
B.
错误
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