第14题: [单项选择]下列哪种疾病,无"肺动脉高压"表现() A. 肺心病 B. Ebstein畸形 C. 二尖瓣狭窄 D. 二尖瓣关闭不全 E. 进行性全腺泡性肺气肿 参考答案:B
第15题: [单项选择]Of the immigrants who came to America in the fast three quarters of the seventeenth century, the ______ majority was English. A. overwhelming B. overflowing C. overtaking D. overloading 参考答案:A 答案解析:形容词辨析。overwhelming指“压倒性的”;overflowing指“溢出的、过剩的”;overtaking指“赶上的、超过的”;overloading指“超载的、负载的”。overwhelm