雅思听力的备考，剑桥雅思真题是最重要的资料，大家都知道练习听力就一定要选择好的精听和听写材料进行听写，下面小编就为大家整理了雅思11test4听力答案，供大家参考学习。
Section 4
Question 31
答案：dry
定位原文：scripts:
Carbon-rich soil is dark, crumbly and fertile, and retains some water. But erosion can occur if soil is dry
解题思路：erosion 为关键词，But erosion can occur if soil is dry 为答案句，答案为dry。
Question 32
答案：hard
定位原文：scripts:
Lal was studying soils in Africa so devoid of organic matter that the around had become extremely hard, like cement.
解题思路：soil 为关键词，是缺乏有机物质，所以答案不是organic，应该是hard。
Question 33
答案：sugar/sugars
定位原文：scripts:
Plants absorb CO2 from the air and transform it into sugars and other carbon-based substances.
解题思路：题干中的turn into 和原文中的transform into 是同义替换，carbon-based substance为定位的关键词。
Question 34
答案：roots
定位原文：scripts:
While a proportion of these carbon products remain in the plant, some transfer from the roots to fungi and soil microbes.
解题思路：transfer from 同义于题干的 moves from，如果不认识microbes，也不会理解它和fungi属于同义表达。
Question 35
答案：moist/damp/wet
定位原文：scripts:
Some growers have already started using an approach known as regenerative agriculture. This aims to boost the fertility of soil and keep it moist through established practices.
解题思路：预读题目之后，发现空处和fertile为平行结构，keep和maintain也是同义表达，此题比较容易。
Question 36
答案：variety
定位原文：scripts:
These include keeping fields planted all year round, and increasing the variety of plants being grown.
解题思路：year-round 和 increasing 可以在原文听到，比较好抓住答案区域，这个题答案也比较简单，就是距离上一题比较近，比较容易错过。
Question 37
答案：cattle
定位原文：scripts:
Soil scientist Whendee Silver of the University of California, Berkeley, is conducting a first-of-its-kind study on a large cattle farm in the state.
解题思路： California为关键词，原文中的 a large cattle farm 和 题干中的 a big cattle farm 是同义表达，本题比较简单。
Question 38
答案：gardens/gardening
定位原文：scripts:
She and her students are testing the effects on carbon storage of the compost that is created from waste - both agricultural, including manure and cornstalks, and waste produced in gardens.
解题思路：按照空处设置，应该和 agriculture 一样是个名词，注意including这个结构，表示是进一步说明agricultural 这个性质的，both and 这个结构，也提示了答案是gardens，中间干扰项比较多，需要仔细预读题目。
Question 39
答案：grasses
定位原文：scripts:
Jones and 12 farmers are working to build up soil carbon by cultivating grasses that stay green all year round.
解题思路：by cultivating 同义于题干中的 by using， 后面的stay green all year round 基本也没什么改写难度，这个题也比较容易。
Question 40
答案：payment/payments/money
定位原文：scripts:
Rattan Lai argues that farmers should receive payment not just for the corn or beef they produce, but also for the carbon they can store in their soil.
解题思路：Lai 认为farmers 应该得到报酬，这个题目题干中的for carbon storage…这个部分也是原文 for the carbon they can store…的同义表达。
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