Bob has a billion dollars while Kate has a million, so Kate is ________than Bob.
A．less rich
B．not richer
C．no rich
D．poorer
答案：B
考查形容词用法：less rich than 用法是正确的。从句子意义上来看，Bob有十亿，Kate只有一百万，Bob当然没有Kate富，所以选A. B语法上虽没错，但选B意思是“Bob不比Kate富”，那Bob也有可能与Kate一样富或差不多”，实际上，Bob岂止是不比Kate富，他简直是比Kate差老远了。因此，选B就是词不达意。
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