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【单选题】
能带理论中孤立原子中的电子的一个能级在固体中变为一个能带为( )理论得出的结论A.
近自由电子近似
B.
紧束缚近似
C.
平面波近似
D.
Hatree-Fock平均场近似
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【简答题】The greater amount of time you spent learning English, the greater progress you are likely to make.英译汉
【简答题】阅读材料，完成题。 帕斯卡尔《人是一根能思想的苇草》原文 根据上述材料，确定本篇课文的教学目标并说明依据。 查看材料
【单选题】The higher the standard of living and the greater the national wealth, the
A.
greater is the amount of electricity is consumed
B.
greater amount of electricity is consumed
C.
amount of electricity is consumed is greater
D.
greater the amount of electricity consumed
【单选题】The expression 'greater tolerance' (Paragraph 1) refers to ______.
A.
greater willingness to accept social change
B.
quicker adaptation to changing circumstances
C.
more respect for different beliefs and behavior
D.
greater readiness to agree to different opinions and ideas
【单选题】The expression 'greater tolerance' means' ______ '.
A.
greater willingness to accept social change
B.
quicker adaptation to changing circumstances
C.
more respect for different beliefs and behaviors
D.
greater readiness to agree to different opinions and ideas
【单选题】The higher the standard of living and greater the national wealth, the ______.
A.
greater is the amount of paper is used
B.
greater the amount of paper is used
C.
greater amount of paper is used
D.
amount of paper is used is greater
【单选题】The higher the standard of living and the greater the national wealth, ______
A.
the greater amount of paper is used
B.
the greater is the amount of paper is used
C.
the greater the amount of paper used
D.
the amount of paper is used is greater
【简答题】( )是指在完成跨境电子商务活动的过程中，各参与主体形成的链式关系。在跨境电子商务产业链体系中的参与主体包括跨境卖家（出口国生产商、贸易商）和买家（进口国贸易商、消费者），以及跨境电子商务交易平台、第三方关联组织或企业、政府监管部门等。
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