第一次世界大战前，帝国主义两大军事集团最终形成的标志是()。
A. “英日同盟”的缔结
B. 德、俄、意“同盟条约”的签订
C. 法俄军事协定的缔结
D. 英法协约和英俄协约的签订
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Which of the following statements is true？ Accounts payable are ______.
A. debts owed to suppliers
B. related to purchases of goods on an open account
C. current liabilities
D. all of the above
The biological clock is believed to play an essential role in_____.
A. the regulation of body temperature
B. the secretion of hormones
C. animal reproduction
D. many aspects of plant and animal physiology
A．comeB．addC．equalD．sum
A. come
B. add
C. equal
D. sum
A．formulatingB．absorbingC．terminatingD．undermining
A. formulating
B. absorbing
C. terminating
D. undermining
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