38. “… it uses a camera mounted on a flexible tube…” What is meant by the word “mounted”?
(A) to become progressively greater
(B) used transitively
(C) to use and control a machine or equipment
(D) fixed firmly to a larger thing
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統計: A(10), B(8), C(46), D(82), E(0) #2194386
統計: A(10), B(8), C(46), D(82), E(0) #2194386