【简答题】
Direction: Fill in the blanks with the phrases given below. Change the form if necessary.[have access to; go off; desperate for; put up with; always the case; give advice; concentrate on; arrive at; make an effort; come in handy]9. But in reality this is not[填空1].
【简答题】
Direction: Fill in the blanks with the words given below. Change the form if necessary.[expand; abuse; knowledge; narrative; plantation; property; oppressive; extremely; rebel; abolitionist]9.All[填空1]originates from labour.
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存储元件的发展经过了电子管、[填空1]、集成电路和大规模集成电路4个阶段。
【简答题】
1898年,光绪皇帝下诏变法,史称[填空]。
【简答题】
什么是无差异曲线?无差异曲线有哪些基本特点?