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【简答题】
编写程序1,完成后截图或拍照提交 (要求截图中有源代码及运行结果) 。 两数交换:编写程序,输入两个整数给变量 x 和 y ,然后输出 x 和 y ,交换 x 和 y 的值,最后再输出x和y以验证两个变量中的数据是否正确地进行了交换。请根据流程图编写代码,运行示例如下图所示( 与案例 4 算法一致,只是输出结果略有不同 )。(源文件 c3_1.c )
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【判断题】触点比较指令相当于一个触点，指令执行时，比较两个操作数[S1].[S2]，满足比较条件则触点闭合。LD=.LD>，LD，LD=六条指令属于LD类触点比较指令。( )
A.
正确
B.
错误
【判断题】触点比较指令相当于一个触点,指令执行时,比较两个操作数[S1].[S2],满足比较条件则触点闭合。LD=.LD>,LD,LD=六条指令属于LD类触点比较指令。( )
A.
正确
B.
错误
【简答题】A．Many people in New York suffered from typhoid in the 1910s. B．Mary Mallon changed her name to avoid spreading typhoid. C．Mary carried the disease but she herself was in good health. D．Mary was afrai...
【单选题】Mary changed her dollars for the amount of pounds.
A.
likely
B.
alike
C.
equivalent
D.
similar
【单选题】听力原文：M: Dear, Mary called to say she’ll come to the dinner party. W: Great. Changed her mind after all, did she? Q: What can you infer from the conversation? (19)
A.
Mary called to tell them she couldn't come to the dinner party.
B.
Mary didn't originally want to come to the dinner party.
C.
The couple is unhappy because Mary changed her mind.
D.
The woman doesn't believe the Mary really changed her mind.
【简答题】轿车按照箱数分可分为_______、两厢车、单厢车。
【单选题】— Mary has changed a lot in the last few years. — ______. [ ]
A.
So has her sister
B.
So was her sister
C.
So did her sister
D.
So is her sister
【简答题】触点型比较指令相当于[填空(1)]，执行时比较[填空(2)]，满足比较条件则[填空(3)]。A. 一个触点B. 源操作数[S1. ]和[S2. ]C. 触点闭合
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