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The interaction between photon and matter includes absorption, spontaneous emission, and
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A、pyelogram
B、pyelitis
C、pyeloplasty
D、cystoplasty
A、image
B、conciseness
C、emotion
D、length
A、manner of articulation
B、place of articulation
C、voicing
D、length
A、length
B、purpose
C、focus of contents
D、all of the above
A、fell by 4%.
B、fell by 20%.
C、rose by 12%.
D、rose by 20%.
A、the total spending of everyone in the economy and the total saving of everyone in the economy.
B、the total income of everyone in the economy and the total expenditure on the economy's output of goods and services.
C、the value of the economy's output of goods and services for domestic citizens and the value of the economy's output of goods and services for the rest of the world.
D、the total income of households in the economy and the total profit of firms in the economy.
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