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【单选题】
一只电阻的阻值为3Ω,另一只为6Ω,将两电阻并联起来,其电阻值为A.
4 Ω
B.
3 Ω
C.
2 Ω
D.
1 Ω
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【简答题】A．They might feel less depressed. B．They might improve their immune system. C．They might give up all pleasures. D．They might be more likely to become sick.
【简答题】假定二维数组的定义为“char a[M][N];”,则该数组所含元素的个数为______。
【简答题】U3-P46 Further Listening-News-3.What might influence young people’s opinions and beliefs?A. Family backgrounds. B. Generational backgrounds. C. Economic conditions. D. Age groups.
【单选题】______ have an energy several levels higher than the people they are attempting to influence.
A.
Electrifying speakers
B.
Business professionals
C.
Undynamic persons
D.
Listeners
【简答题】无效劳动合同是劳动合同已经成立，并发生法律效力，但因违反了法律、行政法规的强制性规定而被确认为无效的劳动合同。（ ）
【简答题】A．They might be customers. B．They might be visitors. C．They might be countrymen. D．They might be actors.
【单选题】—Why is the man running in the street? —He _____ for exercise. [ ]
A.
might run
B.
might be
C.
might be running
【简答题】 小麦赤霉病以____症状最为常见,被害小穗最初在基部变水渍状,后渐失绿退色而成褐色病斑,然后颖壳的合缝处生出一层明显的____霉层。
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