A
(2018·全国卷Ⅰ)According to a review of evidence in a medical journal, runners live three years __61__ (long) than nonrunners. You don't have to run fast or for long __62__ (see) the benefit. You may drink, smoke, be overweight and still reduce your risk of __63__ (die) early by running.
While running regularly can't make you live forever, the review says it __64__ (be) more effective at lengthening life __65__ walking, cycling or swimming. Two of the authors of the review also made a study published in 2014 __66__ showed a mere five to 10 minutes a day of running reduced the risk of heart disease and early deaths from all __67__ (cause)．
The best exercise is one that you enjoy and will do. But otherwise ... it's probably running. To avoid knee pain, you can run on soft surfaces, do exercises to __68__ (strength) your leg muscles (肌肉), avoid hills and get good running shoes. Running is cheap, easy and it's always __69__ (energy). If you are time poor, you need run for only half the time to get the same benefits as other sports, so perhaps we should all give __70__ a try.
语篇解读：本文是一篇说明文。文章介绍了跑步给我们的健康带来的益处，号召我们尝试一下跑步这种运动方式。
61．longer 考查副词的比较级。由空格后的“than”可知应用比较级，故填long的比较级longer。
62．to see 考查非谓语动词。此句意为“你不必跑得很快，也不必跑很长时间就见到效果”，不定式短语“to see the benefit”作目的状语。
63．dying 考查非谓语动词。reduce one's risk of ... “降低某人……的风险”，此处介词of后接动词时要用其动名词形式。
64．is 考查动词时态和主谓一致。根据上下文语境可知这里应用一般现在时；又因为主语it是第三人称单数形式，故谓语动词用is。
65．than 考查连词。根据句中的比较级“more effective”并结合语境可知，这里是把running与walking, cycling or swimming进行比较，故填than。
66．that/which 考查定语从句。分析句子结构可知，所填词引导定语从句，修饰先行词“a study”，且在从句中作主语，故填关系代词that/which。
67．causes 考查名词复数。cause表示“原因，起因”时是可数名词，且前面有all修饰，故填cause的复数形式。
68．strengthen 考查派生词。此处to为不定式符号，在句中作目的状语，故填strength的动词形式strengthen。
69．energetic 考查派生词。连系动词is后应接形容词作表语，故填energy的形容词形式energetic。
70．running/it 考查名词或代词。此处号召我们尝试一下跑步这种运动，因此可以填名词running，也可以用it指代。give sth. a try“尝试一下某事”。
