2018年12月英语四级选词填空答案：
26. F damage (损害)
27. B associated (与……有联系)
28. M sources (来源)
29. D constant (不断的， 常存在的)
30. G described (描述)
31. E control (控制)
32. H equals (等同于)
33. K regularly (经常地)
34. I exclusively (仅仅，唯一地)
35. O vehicles (车辆)
2018年12月英语四级选词填空答案解析：
26. F damage
空格所在句子的含义为：空气污染每年在福利费用方面给全球经济造成5万多亿损失，最大的... ...发生在发展中国家。根据上下文可知这里应该填入一个跟损失有关联的词汇，另外在语法上这里应该填入一个名词被devastating，“具有破坏力的”修饰，所以我们应该可以确定答案为damage， “损害”n.
27. B associated
空格所在句子的含义为：这个福利数字包含许多与空气污染... ...的福利费用，比如健康与消费。根据语法上判断，这里应该填入一个过去分词做costs 的后置定语，另外从语义上判断，associated with air pollution做cost的后置定语，表示与空气污染相关的费用，语义上也符合上下文语境。
28. M sources
空格所在的句子的含义为：室内污染，包括像暖气和做饭一样的... ...columnist。从语法上判断这里应该填入名词，并且这个名词是一个大范围的词可以包括暖气和做饭，另外从语义上判断sources like home heating and cooking 表示像暖气和做饭一样的来源也符合上下文语境。
29. D constant
空格所在句子的句子，是28空所在句子的下半句，含义为：室内污染，包括像暖气和做饭一样的来源，在过去的几十年间... ...，尽管室内污染这个区域取得了一些进步。从语法上判断，这里应该填入一个形容词，另外从语义上判断，constant“不断的，常存在的”，符合上下文语境。
30. G described
空格所在句子的含义为：Chris Murray 参与了这次报告，她把这次报告...为对行动的紧急呼吁。从语法上，这里应该填入一个谓语动词，另外从语义上看，describe表示描述，符合上下文语境。
31. E control
英语四级各项分数
空格所在句子的含义为：在所有造成过早死的不同危险因素当中，我们所呼吸的空气是一个领域，对于这一点个人无法... ...。从语法上判断，本空应该填入一个名词，从语义上看，control表示控制，符合上下文语境。
32. H equals
空格所词组的含义为：收入几乎... ... GDP的1%。 从语法上判断，本空应该填入一个动词，从语义上看equal表示等同于，符合上下文语境。
33. K regularly
driftaway空格所在句子的含义为：低中收入国家当约十分之九的人住在有空气污染的地区，在这些地区他们 ... ... 经受达到危险水平的室外空气污染。从语法上判断，本空应该填入一个副词，来修饰动词experience，“经受”，从语义上看regularly experience，表示经常经受，符合上下文语境。
小学生课堂游戏34. I exclusively
空格所在句子的含义为：但是这个问题不... ...局限于发展中国家。从语法上判断，本空应该填入一个副词，修饰动词limited，“局限”，从语义上看exclusively“唯一的，仅仅”，符合上下文语境。
35. O vehicles
空格所在句子的含义为：在许多欧洲国家，柴油车辆在近几年变得更加普遍。从语法上判断，本空应该填入一个名词，来被diel修饰，，从语义上看diel vehicles表示柴油车辆，复合上下文语境。
2018年12月大学英语四级长篇阅读真题参考答案：
D 36. More than half the food Americans eat is factory-produced.
corrective>生命的挑战B 37. There is a special program that assigns doctors to give advice to shoppers in food stores.
G 38. There is growing evidence from rearch that food helps patients recover from various illness.
A 39. A healthy breakfast can be prepared quickly and easily.
I 40. Training a patient to prepare healthy food can change their life.
F 41. One food-as-medicine program not only prescribes food for treatment but teachers patients how to cook it.
C 42. Scott is not keen on cooking food herlf, thinking it would simply be a waste of time.
J 43. Diabetes patients are advid to eat more plant-bad food.
E 44. Using food as medicine is no novel idea, but the movement is making headway the days.
G 45. Americans’ high rates of various illness result from the way they eat.
2018年12月大学英语四级长篇阅读真题答案解析：
36. 答案：D
解析：D段中In America, over 50 percent of our food is procesd food与该题干More than half the food Americans eat is factory-produced.hls属于同义替换。
37. 答案：B
解析：B段中的 The center’s ‘Shop with Your Doc’软件测试培训 program nds doctors to the grocery store to meet with any patients与该题干There is a special program that assigns doctors to give advice to shoppers in food stores.属于同义替换。
38. 答案：bloody hellG
解析：G段中Rearch findings increasingly show the power of food to treat or rever dias与该题干There is growing evidence from rearch that food helps patients recover from various illness.属于同义替换。
39. 答案：A
解析：A段中Juices are quick and easy to prepare, you can take the frozen fruit out the ni
ght before and have it ready the next morning.与该题干 A healthy breakfast can be prepared quickly and easily.属于同义替换。
40. 答案：I
解析：I 段中逃避英文 So teaching people about which foods are healthy and how to prepare them, she says, can actually transform a patient’s life. 与该题干Training a patient to prepare healthy food can change their life.属于同义替换。
