【题目】Jay is by nature cheerful and humorous,while his elder brother Jack,______,is always a wet blanket.
A.in additionB.in detailC.in returnD.in contrast
在线课程【答案】D
【解析】
考查介词短语辨析。句意：Jay天性活泼幽默，相比较而言，他的哥哥Jack就老让人扫兴。A.in addition此外；B.in detail详尽的；C.in return作为报答；D.in contrast对比。该句中前文Jay的活泼幽默（cheerful and humorou）与后文Jack的让人扫兴（a wet blanket）形成对比。故选D项。