In listening to a person, the important thing is______.
A. to notice his tone, his posture, and the look in his eye
B. to listen to how he pronounces his words
C. to check his words against his manner, his tone of voice, and his posture
D. not to believe what he says
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对一位老年人做口腔健康检查发现该老年人口腔中牙龈退缩的未患龋牙面有40个，患龋的牙面10个，因根龋充填的牙面10个。该老年人根龋指数为
A. 25%
B. 50%
C. 37%
D. 20%
E. 33%
乙肝和艾滋病是传染性强、危害性大的两大疾病，其病毒的特点各不相同，它们是
A. HBV耐热，HIV不耐热
B. HIV耐热，HBV不耐热
C. HBV和HIV都耐热
D. HIV和HBV都不耐热
E. HBV在95℃是需要4分钟才能被杀灭
In the paragraphs that follow this passage below, the writer will______.
A. introduce some kinds of beds that are available
B. provide some tips on how to choose an appropriate bed
C. tell the reader how to obtain good sleep
D. explain why a bed is so important and indispensable in our life
一个有窒息史的新生儿，经抢救后数小时突然烦躁不安，前囟微隆，拥抱反射消失，最大的可能是
A. 新生儿败血症
B. 新生儿脑膜炎
C. 新生儿低血糖
D. 新生儿颅内出血
E. 新生儿破伤风
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