Buttoomuchofthatlengthenedexperience,eveninthewealthyWest,willbeexperienceofpovertyandneglect,______wedosomethingaboutit.
A.when
B.Unless
C.because
D.if
正确答案:B[解析]很多经验表明,即使在富饶的西方,也有贫穷和被忽略的经历,除非我们能为此做些什么。依题意选B。

Buttoomuchofthatlengthenedexperience,eveninthewealthyWest,willbeexperienceofpovertyandneglect,______wedosomethingaboutit.
A.when
B.Unless
C.because
D.if
正确答案:B