昏迷不醒伤员的症状表现为无呼吸声音和无呼吸运动。
A. 正确
B. 错误
太阳能热电站能把太阳能转化为内能，再把内能转化为电能。
A. 正确
B. 错误
After a person has been revived by artificial respiration，he should be（）.
A. walked around until he is back to normal
B. given several shots of whiskey
C. kept lying down and warm
D. allowed to do as he wishe
长期从事矽尘作业所引起的以肺组织纤维化病变为主的全身性疾病称（）
A. 尘肺
B. 矽肺
C. 粉尘沉着症
D. 慢性阻塞性肺病
E. 石英尘肺
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