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【单选题】
集中型发展战略的缺点是( )。
A.
不利于实现生产的专业化
B.
不利于达到规模经济的效益
C.
经营的风险小
D.
对环境的适应能力强
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参考答案:
举一反三
【单选题】材料的塑性指标有______。
A.
σ s 和σ b
B.
σ b 和δ    
C.
δ和ψ    
D.
以上都不是
【单选题】与Q235号钢相比,Q255号钢( )。
A.
δ大,σS小
B.
δ大,σS大
C.
δ小,σS小
D.
δ小,σS大
【单选题】古代哲学中构成宇宙本原的是
A.
天气
B.
精气
C.
阳气
D.
阴气
E.
地气
【单选题】The competitions that we have discussed in this chapter do NOT include ______.
A.
“21 Century Cup” National English Speaking Competition
B.
National English Competition for College Students
C.
'FLTRP Cup' English Public Speaking Contest
D.
“Star of Outlook” English Talent Competition
【单选题】to the conference, we have already discussed this problem among ourselves.
A.
Similar
B.
Previous
C.
Cautious
D.
Senior
【单选题】If we had discussed it with the manager, he would have surely agreed with it.
A.
necessarily
B.
simply
C.
certainly
D.
possibly
【单选题】If we had discussed it with the manager, he would have surely agreed with it.
A.
unnecessarily
B.
simply
C.
certainly
D.
possibly
【简答题】σb δ
【单选题】单相桥式整流电路的输出电压的波形是()
A.
正弦波
B.
“M”型脉动直流
C.
幅度平稳的直流
D.
矩形信号
【单选题】________ teaching method, we have not yet discussed it.
A.
In relation to
B.
In contrast to
C.
In addition to
D.
In regard to
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