病人表现一般体力活动稍受限，活动后心悸、轻度气短、休息时无症状是心功能几级
A. Ⅰ级
B. Ⅱ级
C. Ⅲ级
D. Ⅳ级
E. Ⅴ级
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The cultures of China and Japan have shared many features, but each has used them according to its national ______.
A. engagement
B. destiny
C. capacity
D. temperament
Mary is hoping to get a postgraduate degree in English literature and is writing ______ on the works of John Milton.
A. a theme
B. a theory
C. a thesis
D. a topic
此病人手术治疗的关键在于
A. 探清疝的内容物为何物
B. 判断的内容物是否坏死
C. 鉴别是直疝还是斜疝
D. 进行疝修补术的方法
E. 迅速补充血容量
正常妊娠足月羊水量为
A. 300～600 ml
B. 601～700 ml
C. 800～1 000 ml
D. 1 001～1 200 ml
E. 1 201～1 500 ml
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