题目

写作。在不同的地方有不同的风俗习惯，饮食文化很重要。中国的饮食文化不同与西方。请你谈谈中国的三餐，以“when you in China, do as the Chinese do!” 为题写一篇短文。 要求：80词左右，内容合理；要点齐全；句子及篇章结构准确、连贯；书写规范。 答案：When in China, do as the Chinese do! Meals in China are different in some ways from meals in the West．In China, lunch is usually served around 12 o’clock．As for dinner, Chinese people eat it much earlier than people in the West．Chopsticks are used to eat most food．Generally, for dinner, there’ll be lots of different dishes, not just three courses．Besides, Chinese people like to 有一种能生产食品香料的细菌，其生长速率、代谢产物的产量与培养液中的温度、pH、溶氧量等关系如下图所示。则在发酵罐中生产该食品香料时，应控制的培养条件是 [     ]A．通入无菌空气并快速搅拌B．发酵罐严格密封C．加缓冲液，控制pH始终在4.3D．将温度始终控制在30℃