With so much noise of the traffic, I couldn`t and do my research work.
A. put down
B. settle down
C. break down
D. take down
网友回答
A. put down
(答案→)B. settle down
C. break down
D. take down
解析：短语辨析。A写下；镇压；B定居；安静C崩溃，出故障；D拆卸，记下；句意：有如此大的噪音，我无法安静下来做研究工作。根据句意说明B正确。