Smith is the most common family name only in the United States.
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Smith is the name of a job.意为“Smith 是一种职业的名称”。
A. 对
B. 错
Blacksmith is one of the earliest professions(职业）in the world.
A. 对
B. 错
Smith is the first name of " Mary Smith".
A. 对
B. 错
某病人凭空听到“洗手，洗手”声音后，不停地洗手，此症状为
A. 强迫动作
B. 被控制感
C. 幻觉
D. 妄想
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