问题补充:
单选题Manydevelopingcountriesareunwillingtopursuetheireconomicdevelopment______destroyingtheenvironmentdespitetherebeingseveralfinancialcrises.A.at the risk ofB.at the cost ofC.at the end ofD.at the mercy of
答案:
B解析考查介词短语的辨析。at the risk of 冒着……的危险;at the cost of 以……为代价;at the end of在……的末端/尽头;at the mercy of听凭……的处置。句意:尽管存在金融危机,但许多发展中国家并不愿意以破坏环境为代价来追求经济的发展。