阅读下面材料,在空白处填入1个适当的单词或括号内单词的正确形式,并将答案填写在答题卡题号为51-60的相应位置上。
People might be surprised to learn that about 50 million people in the world use, or could benefit from the use of, a wheelchair. Actually, the wheelchair is one of the【小题1】(simple) man-made devices 【小题2】are available to assist the disabled. With the development of science and technology, other moreadvanced forms of devices like robots might come into use.
For years scientists 【小题3】(devote) themselves to developing new types of robots that can be of help to the disabled. It remains【小题4】(see) what will come out of their efforts, but【小题5】is for sure is that these robots should meet the following standards.
First of all, they should be easy to operate. Secondly, they must be able to perform multiple【小题6】(function). All in all, they should enable the disabled to live as normal a life【小题7】able-bodied people.
If one day their dreams come true, these robots can be hugely【小题8】(benefit) to all of us. With the assistance of a robot, people living with disabilities may find it easier for them to handle life. However, the most difficult thing for them is not the 【小题9】(convenient) in their lives, but the prejudice. Therefore, unless we get rid of the prejudice, they can not be 【小题10】 (true) comfortable.