Since he saw that program on television, he has become _____ with physical fitness.

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问题 Since he saw that program on television, he has become _____ with physical fitness.

选项 A、engrossed
B、obsessed
C、focused
D、concentrated

答案B

解析 考查近义动词辨析。四个选项都有“全神贯注于……”之义,但它们常用的语态不同,常搭配的介词也不同。engross一般用于被动语态,且与介词in连用。focus既可用主动也可用被动语态,但与介词on连用。concentrate表示集中注意力时,一般只用主动语态,与介词on或upon连用。只有obsess一般与介词with搭配,且用被动语态。
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