【題目】We can hardly make progress ___________ we really understand what we need.

A. unlessB. afterC. whenD. then

【答案】A

【解析】

句意：我們很難取得進(jìn)步，除非我們真正知道我們所需要的�？疾閺膶龠B詞。A. unless 除非；B. after在……之后；C. when 當(dāng)……時(shí)候；D. then然后。hardly翻譯為幾乎，不此題主要結(jié)合句意，除非真正明白我們所需要的，否則我?guī)缀鯚o法取得進(jìn)步。故選A。

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