为了帮助大家高效备考雅思，小编为大家带来替换概念的题型，希望对大家雅思备考有所帮助。雅思听力考试中常常出现的概念替换题中，这些概念通常是不熟悉的，或者很容易产生误解的。下面一起来了解下吧。
　　此类题目通常会以从句的形式出现，如…is who…/…is when…./…is that…./being…is….或者以一个简单句sth be…/sth do…出现
　　例1：Cambridge 3 Test 1 Section 4 Question 36
　　Being overweight
　　A. is a major source of back pain
　　B. worsens existing back pain
　　C. reduces the effectiveness of exercise.
　　解析：结合题干和选项，本题要求对超重作一个解释，是一个简单句，并且AB选项都和back pain有关，C选项则和exercise有关。原文中提到back pain时说到：the weight will increase the strain and make things worse，因此B选项为正确答案。
　　例2：Cambridge 4 Test 2 Section 4 Question 31
　　Corporate crime is generally committed
　　A. against individualB. by groupsC. for companies
　　解析：题目要求对corporate crime进行解释，是一个简单句，补充的为一个介词短语，三个选项都和犯罪主体或对象有关。原文用be defined as来引出定义：crime which is committed for the corporate organization-the company-not against it。几乎和原题是一样的表达方式，因此答案为C.
　　例3：Cambridge 4 Test 2 Section 2 Question 18
　　Loans are also available to students who
　　A. can’t pay their rent
　　B. need to buy furniture
　　C. can’t cover their living expenses
　　解析：该题为一个复杂句，补充的是一个定语从句来解释哪种学生能得到贷款，并且从选项中可以发现这种贷款和生活有关。原文中提到：when you move into a new flat, starting up expenses including furniture for it can be covered by a loan。因此B为正确选项。