剑桥雅思8 G类 TestA Section3阅读答案解析 Snake Oil

剑桥雅思8 G类 TestA Section3阅读答案解析 Snake Oil

剑桥雅思8 G类部分TestA Section3这篇文章的主题为松果菊。具体内容包括早期对其功能的吹嘘,后来的实验验证,抗生素诞生之前的盛行,欧洲的情况,性状特征等。下面是具体每道题目的答案解析。

剑桥雅思8 G类 TestA Section3阅读答案解析

第28题答案:v

对应原文:C部分:Native to North America, the roots of Echinacea, or purple coneflower, had been used by the Plains Indians for all kinds of ailments long before Meyer came along.

答案解析:C部分第一句就提到,作为北美洲的原生植物,松果菊很早就被印第安人用于治疗各种疾病。对应v选项中的早期用途,由此确定答案为v。

第29题答案:vii

对应原文:D部分第一段:John King, tested the herb and successfully used it to treat bee stings and nasal congestion.

答案解析:D部分包含两段内容,第一段为药剂师对松果菊的研究,第二段为松果菊的盛行。浏览选项之后发现只有vii能够对应第一段,第二段并无对应选项,由此确定答案。

第30题答案:ix

对应原文:E部分第一段:It was a different story in Europe, where both French and German herbalists and homeopaths continued to make extensive use of it.

答案解析:E部分将视线从美国移到欧洲,讲述了松果菊在德国和法国的发展。对应ix选项中new locations的说法,由此确定其为正确答案。

第31题答案:x

对应原文:F部分第一段:science has confirmed Echinacea’s role as a treatment for wounds, this article is from website, or that it has been found to be helpful in relieving althritis

答案解析:F部分第一段稍微靠后的地方提到,现代科学证明,松果菊可以治疗伤口,对缓解关节炎也有一定的作用。随后的内容都在讲述其适用范围和受欢迎程度。x选项中modern evidence of the effectiveness与此对应,由此确定其为正确答案。

第32题答案:iii

对应原文:G部分:Plants are usually grown from seed but they are sometimes available from nurseries.

答案解析:G部分大段内容都在描述松果菊的性状特征,但选项中并没有与此对应的内容。仔细阅读之后我们发现,这部分中间有句话提到其种植方式,由此确定iii为正确答案。

第33题答案:iv

对应原文:H部分:Most European studies have used liquid concentrates extracted from the tops of plants, whereas extraction in the USA has usually been from the roots. Today most manufacturers blend both, sometimes adding flowers and seeds to improve the quality.

答案解析:H部分三个段落都在讲述松果菊各个部分的用途,很容易确定答案为iv。

第34题答案:FALSE

对应原文:A部分第2段:you might be run out of town if your particular medicine, as you realized it would, failed to live up to its claims.

答案解析:虽然根据生活常识我们也知道这种卖万能药的人肯定不相信其效果。但为了保险起见,我们还是去原文中寻找一下对应的内容。发现A部分第2段的开头有这样一句话your particular medicine, as you realized it would, failed to live up to its claims,即你的药品,正如你知道的那样,达不到其所宣称的效果。由此判断答案为FALSE。

第35题答案:NOT GIVEN

对应原文:无

答案解析:原文只提到snake oil一词出现在西部地区,但并没有提到人们对这种药品的反应和信任程度。题干属于无中生有,由此判断答案为NOT GIVEN。

第36题答案:TRUE

对应原文:B部分第1段:those that weren’t harmless coloured water could be positively dangerous

答案解析:这道题稍微有些绕。原文提到“那些不是无害的染色水可能很危险”,换句话说,也就是一些万能药其实就是完全无害的、经过染色的水,由此判断答案为TRUE。

第37题答案:FALSE

对应原文:B部分第2段:One, Echinacea, eventually turned out to be far more potent than even its original promoter claimed.

答案解析:判断这道题正确与否的关键在于B部分第2段开头处的one一词,即其中一种药品为松果菊。可见并不是所有的万能药都含有该成分,由此确定答案为FALSE。

第38题答案:TRUE

对应原文:F部分第2段:German researchers had used it successfully to treat a range of infections and found it to be effective against bacteria and protozoa

答案解析:有关科学研究的内容主要集中在F部分。其第二段特别提到松果菊可以有效对抗细菌和原生动物。题目中kill对应effective against,microbes对应bacteria and protozoa,由此判断答案为TRUE。

第39题答案:NOT GIVEN

对应原文:无

答案解析:原文只是提到松果菊原产于北美,后续在欧洲也有所种植,并没有比较哪里种的多,由此确定答案为NOT GIVEN。

第40题答案:TRUE

对应原文:H部分第1段:Most European studies have used liquid concentrates extracted from the tops of plants, whereas extraction in the USA has usually been from the roots. Today most manufacturers blend both, sometimes adding flowers and seeds to improve the quality.

答案解析:H部分中提到,大部分欧洲的研究都用松果菊顶部的提取物,而美国则用其根部的提取物。除此之外,大部分生产商还会混合两者,并加入花朵和种子。可见松果菊各个部分都有医疗用途,由此判断答案为TRUE。

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