Question

【题目】People who can see with their eyes can’t understand practical use Braille can be of for the blind.

A. what B. how

C. that D. whether

Answer 1

【答案】A

【解析】考查宾语从句引导词。句意：眼睛能看到的人无法理解盲用点字法对盲人的实际用途。what引导宾语从句，在从句中作介词of的宾语，表示“所……的（事）”。故选A。