2023届高考英语二轮复习阅读理解 课件+阅读原文+学案（Beavers are protecting the rivers threatened by climate change）

Beavers are protecting the rivers threatened by climate change 1 Pre-reading Task What do you know about climate change? List a couple of consequences of climate change. 2 Exploring the text While-reading I. Background information. Colorado：科罗拉多州，是美国西部的一个州，该州首府为丹佛。科罗拉多州是以西班牙语“Colorado”命名的，意为“带点红色的”，可能指的是该地区红色的砂岩地层或是科罗拉多河两岸的赭红色景观。 3 II. Sentence analysis. 1. The researchers compared water quality along the stretch during a historically dry year, to water quality the following year when water levels were unusually high. (para. 6) ①本句是主从复合句。 ②The researchers compared water quality … to water quality …是主句的主干。 ③when引导的是限制性定语从句，修饰the following year。 4 2. The study revealed the dams increased nitrate removal by nearly 50% by increasing the pressure of the water flow upstream 10 times over, which pushed more water out into the riparian areas. (para. 7) ①本句是主从复合句。 ②主句的主干是：The study revealed。 ③revealed后面接的是省略that的宾语从句；which引导非限 制性定语从句，对increasing the pressure of the water flow upstream 10 times over作补充说明。 5 Texting yourself I. Match the words to their meanings in the text. content as a group industrious a rapid increase in the amount or number of sth explosion amount of sth contained in sth else collectively having the characteristic of regularly working hard 6 II. Fill in the blanks with the proper forms of the words in brackets. This poses a threat to agriculture and the food chain, and _____________ (consequent) to human health. 2. It is a discovery that may hold the key to (understand) the universe. 3. (historical), there have always been close links between France and Scotland. 4. He was sick in the evening, but the (follow) day he was better. consequently understanding Historically following 7 III. Complete the sentences with the correct forms of the expressions belo