2. 外语
  3. The laser represents a true marriage between science and technology, the men who devised it were ______ engineers and physicists

The laser represents a true marriage between science and technology, the men who devised it were ______ engineers and physicists

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问题 The laser represents a true marriage between science and technology, the men who devised it were ______ engineers and physicists.
选项 A、spontaneously
B、simultaneously
C、instantaneously
D、homogeneously
答案B
解析
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