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搜题
【单选题】
三相异步电动机在运行中,把定子两相反接,则转子的转速会 。A.
升高
B.
下降一直到停转
C.
下降至零后再反向旋转
D.
下降到某一稳定转速
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皮皮学刷刷变学霸
举一反三
【单选题】Gordon Jones is considering purchasing a computer from Best Buy. He has created a scale for rating eight different computers on three different characteristics. He plans to make a short list of only t...
A.
elimination-by-aspects heuristic
B.
lexicographic heuristic
C.
conjunctive heuristic
D.
anchoring and adjustment heuristic
【单选题】My uncle hasn’t been able to stop smoking, but at least he has .
A.
cut out
B.
cut down
C.
cut up
D.
cut off
【简答题】He has at least a ________ obligation to answer these questions.
【单选题】分散行业存在于许多经济领域中,其基本的存在领域包括服务业、零售业、批发业、木料加工和金属组装业、农产品、风险企业等。一般来说,分散行业由()组成。
A.
很多中小企业
B.
很多大企业
C.
很多中型企业
D.
很多大中企业
【单选题】He has changed his______ about buying a new car at least three times.
A.
brain
B.
head
C.
mind
D.
thought
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