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【单选题】
二氧化硫是污染大气并形成酸雨的主要有害物质之一．造成大气中二氧化硫含量急剧增加的最主要原因是（ ）A.
硫酸厂排放出的废气中的二氧化硫
B.
由火山爆发产生的二氧化硫
C.
由实验室逸出的二氧化硫
D.
由煤和石油燃烧产生的二氧化硫
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举一反三
【单选题】A C program starts its execution from( )
A.
the main function in the program and ends its execution in the main function
B.
the first function of the program and ends its execution in the last function of the program
C.
the main function in the program and ends its execution in the last function of the program
D.
the first function of the program and ends its execution in the main function
【单选题】An incomplete or confusing order will __________ the execution of the order
A.
delay
B.
increase
C.
promise
D.
benefit
【单选题】What is the MOST accurate way to determine a project’s duration before execution？（）
A.
The project manager performs all estimates
B.
Incorporate each individual worker’s estimates
C.
Acquire expert estimates
D.
There is no way to determine the duration
【单选题】a person of high intelligence will probably score.
A.
above 110 on an IQ test.
B.
110 on an IQ test.
C.
90 on an IQ test.
D.
below 75 on an IQ test.
【多选题】When executing a SQL workload, you choose to generate execution plans only, without collecting execution statistics. Which two statements describe the implications of this?（）
A.
It produces less accurate results of the comparison analysis.
B.
It automatically calls the SQL Tuning Advisor for recommendations.
C.
It shortens the time of execution and reduces the impact on system resources.
D.
Only the changes in the execution plan, and not performance regression, are detected.
【简答题】完型填空。 The earth is our home. We must take care of it. Life today is easier that it was 1 years ago, but it has brought some new problems. One of the biggest problems is pollution. We can see it, drink...
【单选题】Which of the following is a difference between strategies and execution?
A.
Strategies specify what we do right now, whereas execution provides direction for translating a vision into action.
B.
Strategies do not come naturally, whereas execution comes naturally.
C.
Strategies are more important than execution in strategic leadership.
D.
Strategies are intentions, whereas execution is through the basic organizational architecture that makes things happen.
【简答题】This Contract shall come ______ force ______ the date of execution ______ by the Buyer and the Builder.
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