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【单选题】
26) Based on our understanding of the model presented in Chapter 3, we know with certainty that an equal and simultaneous increase in G and T will causeA.
no change in output.
B.
an increase in investment.
C.
a reduction in output.
D.
an increase in output.
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反馈参考答案：
举一反三
【简答题】数据库设计包括需求分析、概念设计、【1】和物理设计。
【单选题】The word "odds" in "Though the odds are that you'll be unemployed and depressed..." (para.1) means
A.
something is likely to happen
B.
disagree
C.
something that is strange
D.
something not happening very often
【简答题】呼吸运动按其深浅不同,分为 _______ 和 _______ 。
【简答题】何谓概念设计?简述概念设计的设计过程。
【简答题】()是为了提高钢件的硬度和耐磨性;回火是为了()。先淬火后高温回火称为()。
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