内容正文:
Unit5 Saving animals in danger
⭐跨学科 同步练
一、单项选择(语法 / 词汇 / 短语,共 10 小题,每题 1 分)
1. The IUCN Red List was created in ______.
A. 1960 B. 1964 C. 1970 D. 1980
2. It divides species into ______ conservation categories.
A. seven B. eight C. nine D. ten
3. A vulnerable species risks ______ out in the wild.
A. die B. to die C. dying D. died
4. An endangered species has fewer than ______ individuals left.
A. 250 B. 500 C. 1000 D. 1500
5. The population of an endangered species may fall by ______ in 10 years.
A. 20%–40% B. 30%–60% C. 50%–80% D. 60%–90%
6. Which of the following is endangered (EN)?
A. Giant panda B. Tiger C. Sparrow D. Rabbit
7. The giant panda’s population trend is ______.
A. decreasing B. increasing C. stable D. unknown
8. "At risk of dying out" means "in danger of ______".
A. appearing B. disappearing C. growing D. changing
9. We use the word "______" to describe a species that no longer exists.
A. vulnerable B. endangered C. extinct D. living
10. The IUCN Red List tells us the ______ status of animals.
A. conservation B. health C. growth D. feeding
二、完形填空(环保类短文,共 10 小题,每题 1.5 分)
The IUCN Red List was 1. ______ in 1964. It tells us the conservation 2. ______ of different animal species and divides them into nine 3. ______.
A vulnerable (VU) species risks 4. ______ out in the wild. It may have fewer than 1,000 individuals or its population has 5. ______ by 30%–60%.
An endangered (EN) species faces a very high risk of dying out. It may have fewer than 250 individuals or its population has fallen by 50%–80%.
The giant panda is 6. ______ (VU), and its population is 7. ______. Tigers and Asian elephants are 8. ______ (EN), and their populations are 9. ______.
We should protect these animals to stop them from 10. ______ out.
1. A. found B. created C. seen D. heard
2. A. status B. look C. size D. weight
3. A. groups B. teams C. categories D. classes
4. A. die B. dying C. to die D. died
5. A. risen B. grown C. fallen D. changed
6. A. vulnerable B. endangered C. extinct D. living
7. A. decreasing B. increasing C. stopping D. moving
8. A. vulnerable B. endangered C. extinct D. living
9. A. decreasing B. increasing C. stopping D. moving
10. A. appearing B. disappearing C. dying D. living
三、阅读理解(细节理解 / 图表分析,共 5 小题,每题 2 分)
阅读短文与表格,完成任务
The IUCN Red List
The IUCN Red List was created in 1964. It contains information about the conservation status of different animal species. The list divides species into nine categories.
· Vulnerable (VU): Risks dying out in the wild (fewer than 1,000 individuals or population fall of 30%–60%).
· Endangered (EN): Faces very high risk of dying out (fewer than 250 individuals or population fall of 50%–80%).
Animal
IUCN status
Population trend
Tiger
EN
decreasing
Asian elephant
EN
decreasing
Giant panda
VU
increasing
1. When was the IUCN Red List created?
A. In 1960. B. In 1964. C. In 1970. D. In 1980.
2. How many categories does the list divide species into?
A. Seven. B. Eight. C. Nine. D. Ten.
3. Which animal is vulnerable (VU)?
A. Tiger. B. Asian elephant. C. Giant panda. D. Lion.
4. What is the population trend of tigers?
A. Decreasing. B. Increasing. C. Stable. D. Unknown.
5. Why is a species classified as endangered (EN)?
A. It has more than 1,000 individuals.
B. Its population has fallen by 30%–60%.
C. It has fewer than 250 individuals.
D. Its population is increasing.
四、语法填空(共 10 空,每空 1.5 分)
阅读短文,在空白处填入 1 个适当的单词或括号内单词的正确形式。
The IUCN Red List 1. ______ (create) in 1964. It 2. ______ (contain) information about the conservation status of different animal 3. ______ (species).
A vulnerable species risks 4. ______ (die) out in the wild. It may have fewer than 1,000 5. ______ (individual) or its population 6. ______ (fall) by 30%–60%.
An endangered species faces a very high risk of 7. ______ (die) out. It may have fewer than 250 individuals or its population has fallen by 50%–80%.
The giant panda is 8. ______ (vulnerability), and its population is 9. ______ (increase). Tigers and Asian elephants are 10. ______ (endanger), and their populations are decreasing.
参考答案及解析
一、单项选择
1. B 解析:由课文 “The IUCN Red List was created in 1964” 可知答案。
2. C 解析:由课文 “The list divides species into nine categories” 可知答案。
3. C 解析:risk doing sth. 表示 “冒险做某事”,用动名词 dying。
4. A 解析:濒危物种标准为 “fewer than 250 individuals left”。
5. C 解析:濒危物种标准为 “population has fallen by 50%–80%”。
6. B 解析:表格中老虎(tiger)的等级为 EN(濒危)。
7. B 解析:表格中大熊猫(giant panda)的种群趋势为 increasing(上升)。
8. B 解析:dying out 表示 “灭绝、消失”,对应 disappearing。
9. C 解析:extinct 表示 “灭绝的”,指物种完全消失。
10. A 解析:由课文 “information about the conservation status” 可知答案。
二、完形填空
1. B 解析:created 表示 “创立”,对应 IUCN 红色名录的诞生。
2. A 解析:status 表示 “状况”,conservation status 表示 “保护状况”。
3. C 解析:categories 表示 “类别”,对应文中 “nine categories”。
4. B 解析:risk doing sth. 结构,用 dying。
5. C 解析:fallen 表示 “下降”,对应种群数量减少。
6. A 解析:vulnerable 表示 “易危”,对应大熊猫的等级 VU。
7. B 解析:increasing 表示 “上升”,对应大熊猫的种群趋势。
8. B 解析:endangered 表示 “濒危”,对应老虎、亚洲象的等级 EN。
9. A 解析:decreasing 表示 “下降”,对应老虎、亚洲象的种群趋势。
10. C 解析:dying out 表示 “灭绝”,stop...from dying out 表示 “阻止…… 灭绝”。
三、阅读理解
1. B 解析:由 “The IUCN Red List was created in 1964” 可知答案。
2. C 解析:由 “The list divides species into nine categories” 可知答案。
3. C 解析:表格中 giant panda 对应的 IUCN status 为 VU(易危)。
4. A 解析:表格中 tiger 对应的 population trend 为 decreasing(下降)。
5. C 解析:濒危物种标准为 “fewer than 250 individuals left” 或 “population fall of 50%–80%”。
四、语法填空
1. was created 解析:一般过去时被动语态,表示 “被创立”。
2. contains 解析:一般现在时,主语 it 为第三人称单数,用 contains。
3. species 解析:species 单复数同形,different 后接复数名词 species。
4. dying 解析:risk doing sth. 结构,用动名词 dying。
5. individuals 解析:1000 后接复数名词 individuals。
6. has fallen 解析:现在完成时,描述过去到现在的数量变化。
7. dying 解析:介词 of 后接动名词 dying。
8. vulnerable 解析:形容词作表语,vulnerability → vulnerable。
9. increasing 解析:现在进行时,用现在分词 increasing。
10. endangered 解析:形容词作表语,endanger → endangered。
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