党的历届三中全会关于经济体制改革上述材料反映了中国共产党 ①坚持民主执政 ②具有与时俱进的执政能力 ③依法执政 ④科学执政
Burning all the lights in the classroom will be a great______ on electric power.
If you build a house with good_______ , it will last long.
After many years’ waiting, Chinese people______ realized their dream to hold the Olympic Games.
He had a talent for music and was______ conductor of Shanghai Symphony Orchestra at the age of 30.
David paused to consult his notes, then_______ with his speech.
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