Biodiversity is fundamental to ecosystem functioning, __36__agricultural practices, and the attainment of food and nutritional security. Yet, only a few crop species are utilized for food production throughout the world. Modern agricultural systems promote the __37__ of high-input and high-yielding crop species, with the intensification of a limited number of species. This has caused a decline in crop __38__ in agricultural systems worldwide, which is associated with diminishing regulatory services.Of particular concern is that the practice of growing traditional crops continues to __39__ globally. Such crops offer greater genetic biodiversity and have the potential to improve food __40__, and are thus important for the growing population in a world of finite resources.36.A securityB declineC displaceD dominatingE ensuringF sustainableG neglectedH pesticidesI homogeneityJ repositoryK alternativeL diversityM cultivationN deficiencies
Biodiversity is fundamental to ecosystem functioning, __36__agricultural practices, and the attainment of food and nutritional security. Yet, only a few crop species are utilized for food production throughout the world. Modern agricultural systems promote the __37__ of high-input and high-yielding crop species, with the intensification of a limited number of species. This has caused a decline in crop __38__ in agricultural systems worldwide, which is associated with diminishing regulatory services.
Of particular concern is that the practice of growing traditional crops continues to __39__ globally. Such crops offer greater genetic biodiversity and have the potential to improve food __40__, and are thus important for the growing population in a world of finite resources.
36.
A security
B decline
C displace
D dominating
E ensuring
F sustainable
G neglected
H pesticides
I homogeneity
J repository
K alternative
L diversity
M cultivation
N deficiencies
题目解答
答案
解析
本题主要考查对文章内容的理解以及词汇的运用，解题关键在于根据上下文的逻辑关系和语义来选择合适的词汇。
- 第36题：
- 文中提到“ecosystem functioning”（生态系统功能）和“agricultural practices”（农业实践）是并列关系，且结合常识，“可持续农业”是一个常见且合理的表达。
- “sustainable”意为“可持续的”，“sustainable agricultural practices”即“可持续农业实践”，符合语境，所以36题应选“sustainable”。
- 第37题：
- 句子描述“Modern agricultural systems promote...”（现代农业系统推广……），后面提到“high - input and high - yielding crop species”（高投入高产作物品种）。
- “cultivation”有“栽培；种植”的意思，“the cultivation of high - input and high - yielding crop species”表示“高投入高产作物品种的栽培”，符合现代农业系统的行为，所以37题应选“cultivation”。
- 第38题：
- 前文提到“with the intensification of a limited number of species”（少数物种的集约化），这意味着农业系统中作物种类会减少。
- “diversity”意为“多样性”，“a decline in crop diversity”表示“作物多样性的下降”，与前文逻辑相符，所以38题应选“diversity”。
- 第39题：
- 文中提到“Of particular concern”（尤其令人担忧的是），说明传统作物种植的情况不太好。
- “decline”有“下降；减少”的意思，“the practice of growing traditional crops continues to decline globally”表示“传统作物种植的做法在全球范围内持续减少”，符合语境，所以39题应选“decline”。
- 第40题：
- 前文提到“Such crops offer greater genetic biodiversity”（这些作物具有更高的遗传多样性），且结合常识，遗传多样性的作物有助于保障粮食安全。
- “security”意为“安全”，“food security”即“粮食安全”，与前文逻辑一致，所以40题应选“security”。