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【单选题】
The main point of the first two paragraphs can best be illustrated as______.A.
when a machine like a rotary engine malfunctions, it is the technologist who is best equipped to repair it
B.
a telephone is a complex instrument designed by technologists using only nonverbal thought
C.
the designer of a new refrigerator should consider the designs of other refrigerators before deciding on its form
D.
the distinctive features of a suspension bridge reflect its designer's conceptualization as well as the physical requirements of its site
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【简答题】( )是材料在外力作用下抵抗永久变形和断裂的能力。
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