补偿贸易（compensation trade），是指在（ ）的基础上，进口机器设备，器材或技术，而用该进口机器设备和技术生产的产品来分期偿还进口货物的全部或一部分的货款。
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According to the passage, what happens to the behavior of rodents when they are artificially crowded together
A. Their allelomimetic behavior increases.
B. Continuous cooperation between them is maintained.
C. They become aggressive and attack each other.
D. They show little allelomimetic behavior.
What is the distinguishing feature of Bolden's band that was later recognized as a necessary feature of jazz
A. The ability to be totally absorbed in the music.
B. Improvisation.
Collective improvisation.
D. Ragtime with spontaneous additions.
在FIDIC合同条件下，( )有权将工程的部分项目的实施发包给指定的分包商。
A. 业主
B. 承包商
C. 分包商
D. 设计单位
According to the author, which of the following contributes to the development of political ideology during adolescence
A. Conscious recognition by the adolescent of his or her own naiveté.
B. Thorough comprehension of the concept of ordination.
C. Evaluation by the adolescent of the general principles encompassing his or her specific political ideas.
D. Intuitive understanding of relationships among various components of society.
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