信用证规定“Shipment During March/April/May in three equal monthly lots”。因生产原因，3月份的货未能装运，3、4、5三个月份的货拟于4月份装运。根据《UCP500》 ( )。
A. 3月份的货不能装运，只能装运4、5两个月的货
B. 3月份的货不能装运，4、5两个月的货也不能装运
C. 4月份与3月份的货分成两批，做两套单据，同在4月份内装运
D. 4月份将所有未装货一次装运
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As Socrates was a man of much dignity, with an______face, it was______to say whether he felt inwardly glad that the end had finally come, or felt sad over the result, and was too manly to show it
A. obtuse… difficult
B. imperturbable … elementary
C. unassuming … intriguing
D. impassible … impossible
E. authoritative … challenging
Which of the following best describes the organization of the passage
A. The author presents the general argument of an academic school, describes the argument more thoroughly, concluding with a criticism of the school.
B. The author presents his thesis, draws on the work of other historians to support his thesis, and concludes by reiterating his thesis.
C. The author summarizes his work, then carefully examines the work of other historians to demonstrate how they stand in conflict.
D. The author presents his thesis, contrasts it with the work of other historians, provides support, then concludes with a refrain of his thesis.
E. The author compares and contrasts the work of several historians and then discusses areas for possible new research.
患者男，70 岁，有"慢性咳嗽、咳痰30 年"病史，1 周前感冒后出现食欲减退，轻微咳嗽，咳少量白黏痰，体温不高，1 天前家属发现其活动减少，并出现嗜睡表现，将患者送到医院急诊，查血常规，WBC5．6×10／L，N74％，HB168g／L，血气分析示pH7 ． 32 ， PaCO2 86mmHg ， PaO250mmHg，该患者出现呼吸衰竭加重的诱因为
A. 急性呼吸道感染
B. 使用镇静剂
C. 吸高浓度氧
D. 精神过于紧张
E. 以上全是
男，20 岁，因重度哮喘发作住院治疗缓解，出院后推荐其长期使用的药物是
A. 抗生素
B. 强的松
C. 开瑞坦
D. 吸入激素
E. β2 一受体激动剂
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