《2025年小题狂做八年级英语上册译林版巅峰版》

B(2024·衢州一模)
Are there any lakes in your hometown? What colour are they? Around one-third of the world's lakes are blue according to a study in September 2022. But global warming(全球变暖) may lead them to turn green or even brown.
Yang from Southern Methodist University in the US and his team studied the colour of over 85,000 lakes based on satellite photos taken from 2013 to 2020. They found that lakes in places with cooler average summer air temperatures—below 19°C—were more likely to be blue than lakes in places with warmer summers.
According to the research, the colour of a lake is in part decided by what's in the water. Water takes in the long wavelengths of sunlight, such as red, orange, and yellow, leaving behind the shorter ones like green and mostly blue. In other words, the cleaner the water is, the bluer it looks. In warmer lakes, phytoplankton(浮游植物) develops easily. It has colours from green to brown and red, giving the lake a different colour. If global warming continues, one in ten blue lakes might change colour, according to the study.
Lakes serve as an important part of our environment, with their colour being one of the oldest ways to decide the health of an ecosystem. Humans get their drinking water from lakes, streams and groundwater. As lakes become greener, people may lose lots of clean water. Because of this, treating the water of such lakes becomes more expensive.
At the same time, blue lakes are also a place for people to relax. Some people, according to Catherine O' Reilly, a scientist from the study, considered blue lakes as a place to set their minds free. As these blue lakes disappear, they may feel sad.
If the temperature keeps rising, the fast growing of phytoplankton in greener lakes will provide lake animals more food. However, an increase in these things may also cause some lake animals to die because there is not enough oxygen for them.
1. What does the study of Yang's team show?
A. The number of lakes is getting smaller.
B. Lakes in cooler areas are usually bluer.
C. Most of the lakes are not blue any more.
D. People stop getting drinking water from lakes.
2. What does the underlined word "this" in Paragraph 4 refer to?
A. The colour of the lakes turns greener.
B. It's difficult to change the colour of lakes.
C. Groundwater can't take the place of lake water.
D. Lakes play an important part in our environment.
3. What may happen if lakes turn greener?
①Some animals in the lakes may die.
②The weather in these places may change.
③The plants around the lake may grow well.
④People may not get enough drinking water.
A. ①②
B. ②③
C. ③④
D. ①④
4. What is the writer's purpose in writing this article?
A. To describe the photos of over 85,000 lakes.
B. To ask us to take action to protect natural lakes.
C. To explain the effects of global warming on lakes.
D. To discuss the importance of lakes to humans and animals.

答案： 1. B 提示：细节理解题。根据第二段中“They found that lakes in places with cooler average summer air temperatures—below 19℃—were more likely to be blue than lakes in places with warmer summers.”可知，夏季平均气温较低地区的湖泊——低于19℃——比夏季较温暖地区的湖泊更有可能呈现出蓝色。
2. A 提示：代词指代题。根据画线词上下文“As lakes become greener, people may lose lots of clean water. Because of this, treating the water of such lakes becomes more expensive.”可知，随着湖泊变得更绿，人们可能会失去大量的清洁干净的水。正因为如此，处理这些湖泊的水变得更加昂贵。结合选项可知，画线词“this”指代选项 A“湖泊的颜色变得更绿了”。
3. D 提示：细节理解题。根据第四段中“Humans get their drinking water from lakes, streams and groundwater. As lakes become greener, people may lose lots of clean water.”可知，人类从湖泊、溪流和地下水中获取饮用水。随着湖泊变得更绿，人们可能会失去很多干净的水。根据最后一段“If the temperature keeps rising, the fast growing of phytoplankton in greener lakes will provide lake animals more food. However, an increase in these things may also cause some lake animals to die because there is not enough oxygen for them.”可知，如果气温持续上升，更绿的湖中快速生长的浮游植物会给湖中动物提供更多的食物，然而，这会导致湖中的一些动物因为缺氧死亡。
4. C 提示：主旨大意题。通读全文可知，本文介绍了全球变暖对湖泊颜色的影响，以及湖泊颜色变化对生态环境和人类活动的意义。结合选项可知，选项 C“解释全球变暖对湖泊的影响”是作者的写作目的。