【单选题】
The president’s visit and ___ discussions led to a plan that aimed to improve the trade relations between the two countries.
A. emerging
B. subsequent
C. consequent
D. Submerging
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答案
B
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You shouldn’t ___ – let your children make their own decisions.
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This is a huge and difficult project and if you take it up, you ___ many difficulties.
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A. response
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整流输入波形不对称会造成___。
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三相异步电动机的额定电压是指___。
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高压硅整流变压器高压线圈、硅整流元件、高压瓷套管的绝缘电阻应不小于___MΩ。
A. 2000;
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电除尘器停运___h后,方可打开人孔门通风冷却。
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