核电厂除了正常供电系统外，还设置有应急电源，由数台（）发电机组和相应的供电系统组成。
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What are supporting details?
A. Supporting details consist of the additional information the author provides so readers can understand the main idea completely.
B. The function of details states or suggests the main idea of a paragraph.
C. A.Supporting details are sometimes at the beginning of aparagraph.
冠状动脉粥样硬化最好发的部位是
A. 左冠状动脉前降支
B. 右冠状动脉主干
C. 左冠状动脉主干
D. 左冠状动脉旋支
E. 冠状动脉后降支
Peter sent his résumé to many companies and he answered many Internet postings. Now he is waiting for someone to call him about a job. According to Bolles, Peter is .
A. making a mistake
B. doing the right thing
女性，50岁，患心绞痛2年余，因情绪激动突然发作比以前严重的胸痛，疑为急性心肌梗死，以下哪项实验室检查最有诊断价值
A. ST段明显下移
B. T波明显倒置
C. ST段明显抬高
D. 血中肌红蛋白增高
E. GPT升高
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