Lecture 1

　　Q16:B Conducting research on consumer behaviour

　　解析：原文第一句提到：“Well my current research is really about consumer behavior.” 最近我在關注消費者行為這個課題。

　　Q17：D It is an act of socialisting

　　解析：文章中部提到：“One of the things that I've identified is that drinking for people say between the ages of 18 and 24 is all about the social activity.” 我的一項發(fā)現(xiàn)是年齡在18至24歲的人喝酒是出于社交原因。

　　Q18：A They spent a week studying their own purchasing bahaviour.

　　解析：文章最后提到：“last year my students spent a week looking at their own purchasing and analyzed it in detail from shopping to the relationship that they have with their retail banks and their mobile phone providers.” 去年我的學生花了一周時間去關注、分析他們的購物情況，以及他們和銀行、手機制造商的關系。

Lecture 2

　　Q19: D It is likely to give up paper money in the near future

　　解析：在聽力原文中說到Sweden was the first European country to print and use paper money, but it may soon do away with physical currencies. 瑞典是歐洲第一個印刷并使用紙幣的國家，但可能不久就會停止使用。

　　Q20：C whether the absence of physical currency causes a person to spend more

　　解析：在聽力原文中說到Barrett wanted to find out if the absence of physical currency does indeed cause a person to spend more, so she decided to conduct an experiment a few months ago. Barrett想知道不帶現(xiàn)金是否會導致人們花更多的錢，所以幾個月前她決定做一個實驗。

　　Q21：C the restaurant car accepted cash only

　　解析：在聽力原文中說到On the way, there was an announcement that the restaurant car was not currently accepting credit cards. The train cars were filled with groans because many of the passengers were traveling without cash. 在火車上，她發(fā)現(xiàn)餐車不接受信用卡消費，結果車上便充滿了呻吟因為很多乘客都沒有帶現(xiàn)金。

　　Q22：A By putting into envelopes

　　解析：在聽力原文中說到My parents, when they were younger, used to budget by putting money into envelopes— they'd get paid and they'd immediately separate the cash into piles and put them in envelopes, so they knew what they had to spend week by week. 我父母那一代，當他們年輕的時候，他們會把錢放進信封里來做預算。當他們拿到工資后，他們便立馬把現(xiàn)金分為幾份并放進信封，這樣他們就能知道每周要花多少錢。

Lecture 3

　　Q23：B Chrome hunger

　　解析：原文提到：“So let’s start with a few problems. Right now, a billion people are chronically hungry.” 讓我們先來說幾個問題。現(xiàn)在有上十億人長期處于饑餓狀態(tài)。

　　Q24：B About half of them are unintended

　　解析：在聽力原文中說到About half of all pregnancies globally are unintended.全球有近五成意外受孕。

　　Q25：A It is essential to the wellbeing of all species on earth

　　解析：原文提到：“It’s not only the study of human population, but the populations of non-human species. Demography also includes the study of non-living objects.” 人口統(tǒng)計學，不僅是關于人類的種群，也關乎于非人類種群，還包括無生命的對象。由此可見，人口問題對所有物種來說都是必要的。

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