21.No one is glad to hear that his body has to be cut open by a surgeon（外科医生） and part of it

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• 22.No one is glad to hear that his body has to be cut open by a surgeon（外科医生） and part of it taken out.Today,however,we needn't worry about feeling pain during the operation.The sick person falls into a kind of sleep,and when he awakes,the operation is finished.But these happy conditions are fairly new.It is not many years since a man who had to have operation felt all its pain.Long ago,operation had usually to be done while the sick man could feel ev
• 21.No one is glad to hear that his body has to be cut open by a surgeon（外科医生） and part of it
• No one is glad to hear that his body has to be cut open by a surgeon（外科医
• 22.No one is glad to hear that his body has to be cut open by a surgeon（外科医生） and part of it taken out.Today,however,we
• 21.No one is glad to hear that his body has to be cut open by a surgeon（外科医生） and part of it
• No one is glad to hear that his body has to be cut open by a surgeon（外科医
• 书桌面的面积是0.8
• 红色的物体一定不能反射蓝色的光吗