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【单选题】
Economic modelsA.
cannot be useful if they are based on false assumptions.
B.
were once thought to be useful, but that is no longer true.
C.
must incorporate all aspects of the economy if those models are to be useful.
D.
can be useful, even if they are not particularly realistic.
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【单选题】关于机油压力的检测，下述说法错误的是（ ）。
A.
机油压力报警后应尽快将车开到修理厂检修
B.
测量机油压力前，应确认蓄电池电压符合要求
C.
测量燃油压力前，要首先检查机油油位正常
D.
为了确保机油压力测量结果准确，应在发动机运转几分钟后再读取压力值
【单选题】根据《企业破产法》规定，债权人申报债权时，附利息的债权停止计息的期限是（ ）。
A.
自破产申请时起
B.
自破产申请受理时起
C.
自破产宣告时起
D.
自破产清算时起
【单选题】听力原文：M: How do you like your neighbours? F: The old man looks serious and I've never seen him smile. The old lady is very kind. Why does the woman think the old man looks serious?
A.
He's kind to us.
B.
She often helps us.
C.
He never smiles to us.
【单选题】VE1 is a switch in the Ezonexam network. Why will VE1 never learn the broadcast address?
A.
Broadcast frames are never sent to switches
B.
A broadcast frame. is never forwarded by a switch
C.
Broadcasts only use network layer addressing
D.
A broadcast address will never be the source address of a frame
E.
Broadcast addresses use an incorrect format for the switching table
F.
None of the above
【单选题】革命理想高于天,共产主义远大理想和中国特色社会主义共同理想,是中国共产党人的
A.
精神支柱和政治灵魂
B.
精神动力和智力支持
C.
精神支柱和智力支持
D.
精神动力和政治灵魂
【简答题】革命理想高于天,远大理想和中国特色社会主义共同理想,是中国人的A. 精神支柱和政治灵魂 B. 精神动力和智力支持 C. 精神支柱和智力支持 D. 精神动力和政治灵魂
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