任务二：句子背诵(food)
Note: food作食物的总称时不可数， 但指某一种食物比如fast food，可数和不可数都可以。
41. These days convenience food has improved significantly in terms of quality and availability, and the range for sale in the average supermarket is quite impressive.
(Note: Convenience food: food that needs little preparation and can be used at anytime)
现在，方便食品不论是在质量上还是供应上都有了巨大的进步。一个普通超市所贩卖的方便食品的种类都让人印象深刻。
42. In many countries, traditional meals continue to be shared in regular family gatherings. Important celebrations such as weddings, Christmas and Chinese New Year are marked by traditionally prepared meals.
在很多国家，人们在家庭聚会时还是会分享传统食物。一些重要的庆祝，比如婚礼，圣诞节和中国新年都会用传统食物来庆祝。
43. In many countries, communities are alarmed at the rapid expansion of international fast food outlets that serve energy-dense, nutrient-poor food such as burgers, pizza and pies at relatively cheap prices.
快速扩张的快餐店给我们的社区拉响了警报。这些快餐店低价serve(攀哥提示:有意没有翻译，是想让大家记住这个词)高能量，低营养的食物，比如....
44. Although it is true that fast food is both affordable and convenient, the cost and inconvenience of treating the illnesses it causes in later life are significant. In other words, fast food is beneficial in the short term, but its long-term effects are generally negative.
虽然快餐便宜和方便，但是要治疗今后生活中因为食用快餐带来的问题，花费和不便也是非常多的。换句话说，虽然快餐短时期是有利的，但是长期影响总体是消极的。
