Concerning misuses of phrasal verbs, ______.
A. both Chinese and the native speakers of English find them amusing
B. the Chinese interviewers tend to be tolerant
C. the Chinese interviewers and the English native speaker interviewers often have a discussion
D. might sometimes become a laughing stock to the native speakers of English but draw hardly any attention from the Chinese
It is implied in the passage that ______.
A. Chinese are generally liable to make mistakes in English grammar and vocabulary usage
B. expatriate interviewers are generally more friendly with interviews
C. braver candidates can often get the upper hand
D. the candidates often deliver an improper message for the use of inappropriate expressions
患者半年前受凉后出现咳嗽，并迁延不愈，多为干咳，偶有少量白色黏痰。体检见咽部稍充血，心肺无阳性发现。X线胸片示两下肺纹理增粗。患者问医生自己是否患了慢性支气管炎。关于慢性支气管炎的诊断下列哪项是错误的
A. 肺部啰音
B. 每年发病持续3个月、连续2年以上(含2年)
C. 若发病症状持续不足3个月则必须有其他明确客观依据
D. 排除其他心、肺疾患
E. 咳嗽不是必须症状
10%的Na+存在于（）
A. 细胞内
B. 骨骼
C. 肝脏
D. 血浆
E. 细胞外液
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