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18世纪产生了蒸汽机,19世纪诞生了电灯泡,20世纪给我们带来了电视和因特网。那么21世纪将出现什么?以下是一些即将出现的新发明:含血球的庄稼你无法从芜菁甘蓝这种蔬菜里提取血液,但是从玉米里提取血液行不行?法国国家卫生与医学研究所的实验表明,可以通过把制造血红蛋白的基因植入玉米杆或烟草叶,生产出用于人体的人造血液。这项技术预计将在2003年出现。能干的机器人护士一种由语音控制的双臂机器人,可以用做中老年人的健康助手。这种机器人将能取些小物品,搀扶老人行走,以及同医生对话。这种机器人还能感觉出情绪低落者
The steam engine was produced in the 18th century, the bulb was born in the 19th century and the TV and the Internet in the 20th century. So what will happen in the 21st century? Here are some of the new inventions coming up: Bloodcropped crops You can not extract blood from vegetables such as rutabaga, but it is not okay to draw blood from corn? The French National Institute of Health and Medicine Experiments have shown that it is possible to produce artificial blood for human use by implanting a hemoglobin-producing gene into corn stalks or tobacco leaves. This technology is expected to appear in 2003. Competent robot nurse A voice-controlled dual-arm robot that can be used as a health helper for the elderly. The robot will be able to pick up small objects, help the elderly to walk, and talk to the doctor. This robot can also feel depressed