[解析]
(1)C.细节理解题。根据原文第一段"But the biggest reason I am profoundly disappointed is that the new Amazon store does not accept cash.但令我深感失望的最大原因是,亚马逊的新商店不接受现金。"可知那里不能用现金支付使作者失望。C.Because it rejects cash payment.(这个书店不接受现金支付)正确。故选C.
(2)A.段落大意题。根据原文第四段"For all their convenience,credit cards do come with problems.There are privacy concerns,because credit card purchases can be tracked.There are risks that those using credit cards may become victims of identity theft.And a cashless economy is dependent on functioning computers and uninterrupted power sources.Computers can be hacked,and power outages occur.In these circumstances,a cashless economy simply won't function.尽管信用卡很方便,但也有问题。还有隐私问题,因为信用卡购买行为可以被跟踪。使用信用卡的人有可能成为身份盗窃的受害者。无现金经济依赖于正常运转的电脑和不间断的电源。电脑可能会被黑客入侵,甚至会断电。在这种情况下,无现金经济根本无法运作"可知无现金支付其实还有种种弊端。A.The drawbacks of no﹣cash policy.(无现金政策的弊端)正确。故选A.
(3)C.词义猜测题。根据原文最后一段"My decision not to patronize stores that discriminate against cash﹣paying customers means that the only bookstore in downtown Bethesda will not be getting my business.我决定不去那些歧视现金支付顾客的书店,这意味着贝塞斯达市中心唯一的书店不会接受我的生意"结合句意理解可知划线处为"光顾"之意。A.Sponsor赞助商;B.Shop in购物;C.Purchase采购;D.Flee from避免。故选C.
(4)A.观点态度题。根据原文第二段"No﹣cash policies are discriminatory against people of low income.In Massachusetts,it is illegal for retail establishments to discriminate against cash﹣paying customers.Several lawmakers in the district are thinking of adopting similar laws.无现金政策是对低收入者的歧视。在马萨诸塞州,零售机构歧视现金支付的顾客是违法的。该地区的几位立法者正在考虑采用类似的法律。"可知没有银行账户的人感到受到冒犯,并觉得是一种歧视。A.Angry生气的;B.Worried担心的;C.Optimistic积极的;D.Enthusiastic热情的。故选A.