问题
选择题
He used this discovery to ________ a machine for making electricity. Faraday also showed how electricity affects chemical ubstances.
A．debate
B．reflect
C．match
D．produce
答案
答案：D
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He used this discovery to ________ a machine for making electricity. Faraday also showed how electricity affects chemical ubstances.
A．debate
B．reflect
C．match
D．produce
答案：D