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【单选题】
国际放射界公认的模糊阈值为A.
1mm
B.
2mm
C.
0.1mm
D.
0.2mm
E.
0.02mm
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举一反三
【单选题】Which could best be substituted for the word 'THIS' in the last sentence of the second paragraph?
A.
The search of Japan's Tokugawa shoguns for solvency.
B.
The unfairness of the tax structure in eighteenth-century Japan.
C.
The difficulty experienced by both individual samurai and the shogun himself in extricating themselves from debt.
D.
The difficulty of increasing government income by other means.
【单选题】根据《规则》第十八条的规定__。1机动船在航时应当给从事捕鱼的船舶让路;2帆船在航时应给从事捕鱼的船舶让路;3从事捕鱼的船舶在航时应当给机动船让路;4从事捕鱼的船舶在航时应当给帆船让路。
A.
①②
B.
①④
C.
②③
D.
①②③④
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