患者王某，7岁，患急性淋巴性白血病，接受治疗3个月，病情没有改善。医生征求其父母的意见，问是否愿意使用一种价格较贵的新药，其父母经过考虑，表示同意。因为从未使用过这种药物，也不知道这种药物的效果如何，所以医生决定谨慎使用，严格监控，结果表明，使用这种药物后的效果不明显。从医学伦理的角度分析，正确的是（）
A.医生使用新药，应该征得王某本人的同意
B.该项治疗属试验性治疗
C.效果不明显，与医师使用药物过于谨慎有关
D.因为使用药物后的效果不明显，所以医师的行为不道德
E.医生使用新药物应该征得主管领导批准
参考答案：B
| 完形填空。 | ||||
| A long time 1 people thought the sun went round the earth. In some countries people even said that the sun was a god (神). They thought that he drove across the sky every day 2 a golden horse. Now they know the earth goes round the sun. It 3 the earth a year to go all the way round the sun. Today men even know 4 it is for the earth to go round the sun. They 5 us that the earth travels over a thousand miles a minute on its way round the sun. The sun is really a star. It's 6 bigger than the earth and it is very hot. Some people have been to the moon. 7 no one can 8 to the sun. It's 9 hot for people to live anywhere near it. The sun is three hundred 10 times heavier than the earth and more than a million times larger. | ||||
|