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2020考研英语一 · 完形填空
本页为 2020考研英语一 完形填空的完整原文、正确答案与逐题解析（原文约 271 词，共 20 题）。建议先自己作答，再逐题核对解析里的原文定位与干扰项说明。
2020考研英语一完形填空原文
Even if families don’t sit down to eat together as frequently as before, millions of Britons will nonetheless have got a share this weekend of one of the nation’s great traditions: the Sunday roast. __1__ a cold winter’s day, few culinary pleasures can __2__ it. Yet as we report now, the food police are determined that this __3__ should be rendered yet another guilty pleasure __4__ to damage our health.
The Food Standards Authority (FSA) has __5__ a public warning about the risks of a compound called acrylamide that forms in some foods cooked __6__ high temperatures. This means that people should __7__ crisping their roast potatoes, reject thin-crust pizzas and only __8__ toast their bread. But where is the evidence to support such alarmist advice? __9__ studies have shown that acrylamide can cause neurological damage in mice, there is no __10__ evidence that it causes cancer in humans.
Scientists say the compound is __11__ to cause cancer but have no hard scientific proof. __12__ the precautionary principle, it could be argued that it is __13__ to follow the FSA advice. __14__, it was rumoured that smoking caused cancer for years before the evidence was found to prove a __15__.
Doubtless a piece of boiled beef can always be __16__ up on Sunday alongside some steamed vegetables, without the Yorkshire pudding and no wine. But would life be worth living? __17__, the FSA says it is not telling people to cut out roast foods __18__, but to reduce their lifetime intake. However, its __19__ risks coming across as being pushy and overprotective. Constant health scares just __20__ with no one listening.
答案与逐题解析
答案速查
1B
2A
3D
4B
5C
6D
7B
8C
9C
10A
11A
12C
13D
14B
15A
16D
17C
18A
19D
20B
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1第 1 题
答案B
解析原文“a cold winter’s day”前需填表“在某一天”的介词。英语习惯用 on 接具体或带修饰的某一天，故选 On。In 多接月份、年份或一段时期；Till 表“直到”；Towards 表“朝向、将近”，均无法与 day 构成正确时间搭配。
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2第 2 题
答案A
解析空格处说很少有烹饪之乐能与周日烤肉相提并论。match 意为“比得上、匹敌”，与 few ... can 构成“几乎无人能及”的语义。express 为表达，satisfy 为满足，influence 为影响，均不能表示“与之媲美”，故排除。
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3第 3 题
答案D
解析上文称周日烤肉为 nation’s great traditions 与 culinary pleasures，空格指这一传统被变成又一种 guilty pleasure，故填 enjoyment（享受）。patience 耐心、concern 关切、surprise 惊讶均与“美食之乐”无关，无法承接前文的 pleasures。
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4第 4 题
答案B
解析“guilty pleasure __ to damage our health”需要“注定/肯定会损害健康”之意。guaranteed 可表“必然导致”，符合把享受污名化为有害的批评语气。intensified 加强、compelled 强迫、privileged 享有特权，语义与搭配均不贴切。
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5第 5 题
答案C
解析FSA 对丙烯酰胺风险发出公开警示，issued a public warning 为固定搭配。ignored 忽视、received 收到、cancelled 取消，均与机构主动发布警告的动作相反或无关。
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6第 6 题
答案D
解析“cooked __ high temperatures”表示在高温下烹制，介词用 at。under 表低于或在……之下，by 表凭借，for 表目的或持续，均不能与 high temperatures 构成温度条件。
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7第 7 题
答案B
解析警示要求人们不要把烤土豆烤得焦脆，avoid crisping 即“避免烤脆”。forget 忘记、finish 完成、regret 后悔，都不能表达“不要去做焦脆处理”的劝诫。
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8第 8 题
答案C
解析对应不要烤得过焦：面包只应部分烤黄。partially toast 与前文 avoid crisping、reject thin-crust 一致。easily 轻易、regularly 经常、initially 起初，均不能限定烘烤程度。
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9第 9 题
答案C
解析前半承认小鼠实验显示神经损伤，后半强调尚无人类致癌确证，构成让步对比，用 While。If 假设、Since 因果、Unless 除非，都不能准确连接“虽有动物结果、但无人证”的转折。
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10第 10 题
答案A
解析“there is no __ evidence that it causes cancer in humans”需“确凿、决定性的证据”。conclusive 符合科学表述。external 外部、secondary 次要、negative 阴性/负面，均无法表示证据力度不足。
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11第 11 题
答案A
解析科学家认为该化合物“有可能”致癌但无硬证据，likely 表可能性。bound 过于绝对（必定），insufficient 不足、slow 缓慢，与“可能致癌但未证实”不符。
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12第 12 题
答案C
解析“__ the precautionary principle, it could be argued...”意为依据预防原则可主张听从建议，On the basis of 表依据。In addition to 除了、At the cost of 以……为代价、In contrast to 与……对照，逻辑均错。
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13第 13 题
答案D
解析在预防原则下，听从 FSA 可被说成“明智、可取”，advisable 贴切。interesting 有趣、fortunate 幸运、urgent 紧急，都不能评价是否该听从官方建议。
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14第 14 题
答案B
解析用吸烟致癌曾长期只是传闻、后来才获证，来支撑“宁可先防”的类比，After all 表毕竟、终究。As usual 照例、By definition 按定义、In particular 尤其，语篇功能不对。
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15第 15 题
答案A
解析“prove a __”指证明吸烟与癌症之间的关联，connection 为联系。combination 结合、resemblance 相似、pattern 模式，都不能准确表示因果关系得到证实。
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16第 16 题
答案D
解析“a piece of boiled beef can always be __ up on Sunday”指端上桌食用，served up 为上菜。made up 编造/化妆、used up 用尽、saved up 积攒，均不合用餐场景。
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17第 17 题
答案C
解析下文承认 FSA 并非要人完全戒掉烤肉，语气上先作公允让步，To be fair 恰当。To be brief 简言之、For instance 例如、In general 一般而言，均不能引出“公平地说官方并未完全禁止”。
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18第 18 题
答案A
解析not ... cut out roast foods __ 与后文 reduce their lifetime intake 对照，意为并非“完全”戒除，entirely 正确。gradually 逐渐、reluctantly 不情愿、carefully 小心，都不能与“减少终身摄入”形成程度对立。
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19第 19 题
答案D
解析FSA 的这番健康警示作为一场宣传行动，campaign 可指倡导活动。promise 承诺、competition 竞争、experience 经历，都不能概括其风险宣传的性质。
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20第 20 题
答案B
解析不断的健康恐吓最终只会落得无人再听，end up with no one listening 为固定结果义。follow up 跟进、open up 开放、pick up 拾起/好转，均不能表示“到头来没人听”。
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