材料题请点击右侧查看材料问题 查看材料
A. exposes
B. exemplifies
C. expresses
D. explains
男性，62岁，患冠心病多年，于情绪激动后出现胸骨后剧烈疼痛，服硝酸甘油后不能缓解，并伴有全身软弱、大汗淋漓、四肢冰凉。
最可能的诊断是()。
A. 胆石症
B. 急性胰腺炎
C. 急性心肌梗死
D. 低血糖
E. 低血钾
Chemical energy is generated__________ 查看材料
A. when it is absorbed by matter
B. when it is cloudy
C. because they can pass through solid objects
D. when the sunrays are fierce
E. when a change in the nucleus of an atom takes place
F. when electron rearrangement takes place
材料题请点击右侧查看材料问题 查看材料
A. business
B. service
C. product
D. profession
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