语法与词汇 6.______the heat to a simmer and continue to cook for another 8~10 minutes or until most of the water has evaporated.

【正确答案】 C

【答案解析】本题空格处是说把火拧小到烧炖饭菜的那个点。C项turn down“关小”符合题意。其他三项“turn off关掉；turn over翻转；turn up开大”都不正确。