Question

（2011·桂林十八校第一次月考）28. Obama’s success in presidential election proves that the color of one's skin shouldn't be a ______ to success.

A. barrier                     B. behavior                 C. battle                      D. bunch

Answer 1

A考查名词词义辨析。句意：奥巴马总统竞选成功证明肤色不应该成为成功的障碍。此处barrier意为：障碍。