第23题: [单项选择]The short passage advises us to ____________. A. be polite but honest to foreigners B. learn customs of different countries C. decide whether to be polite according to different cultures D. tell more truths to Americans than to people from other countries 参考答案:B 答案解析:[解析]从文章第三段第一句:Whether to be accurate or polite leads to manymisunderstandings between people of diff
第24题: [单项选择]指出不属于肺循环改变的肺部病变是() A. 肺充血 B. 肺淤血(含肺水肿) C. 肺出血 D. 肺血减少 E. 肺动脉高压 参考答案:C