問題詳情

If you can read this sentence, you should be grateful. 31 everyone can see. Some people are born blind ;32 become blind through injury or simply old age. With recent 33 in medical technology, those who lose their sight due to aging may one day soon be able to see again. An American company called Second Sight Medical Products has designed a device which may help some senior citizens to see again. This device 34 three parts. The first is a battery pack, the size of a pager, 35 is worn on the patient's belt. This pack provides the energy needed for the other two parts. The second is a special pair of eyeglasses. These glasses are fitted with a video processor containing a small camera. The camera changes images 36 electronic signals. These signals are then sent to a tiny electronic receiver 37 in the patient's eye. These electronic messages are then sent to the patient's brain, 38 they are interpreted as images. In tests already conducted with the first-generation device, patients could 39 simple items like cups, forks, and knives. The second-generation device promises even better 40 .If further tests are successful, within two years formerly blind patients will once again be able to see.
31.
(A) All
(B) Not
(C) Never
(D) But

參考答案

答案：B[無官方正解]
難度：非常困難0
統計：A(0),B(10),C(0),D(0),E(0)

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