六、自然環保類

March 22nd is World Water Day.It started in 1993.It not only makes us think about the importance of water，but also calls on（號召）us to 1 and protect water.Today，we're facing terrible water problems.Among them，wastewater problem is especially 2.And the subject of World Water Day in 2017 is “wastewater”.

What is wastewater?It is used water.Usually,wastewater comes from homes, 3,hospitals and so on.It is produced by different kinds of activities,including washing machines,taking showers and using the kitchen.The rain also 4 wastewater when it is running down the street during a storm.No matter where it comes from,this kind of water is sure to have 5 harmful in it.

6 must we treat（處理）wastewater？Wastewater has a big influence on our life.It causes both illness for us and pollution for the environment.We must care for our environment and our own 7.

How can we treat wastewater?Different kinds of wastewater need different ways of treatment.Wastewater 8 homes can be reused.Then there will be 9 wastewater.Also,factory wastewater has to be cleaned 10 it goes back to nature.

語篇解讀

本文主要介紹了我們的生活和生產用水受到不同方式的污染以及如何解決廢水問題。

答案解析

1.B 由句意可知此處是指節約并保護水。故答案為B。

2.D 由上句中的“terrible water problems”可知，此處指廢水問題尤其嚴重。

3.A 由語境和常識可知廢水的來源有工廠。

4.C 由句意可知，此處表示雨水變為廢水。

5.B 本句意為“不管它來自哪里，這種水里確實有有害物質”。故答案為B。

6.C 由下文可知該空填why。

7.C 本句意為“我們必須關心環境和關愛我們自己的身體健康”。故答案為C。

8.D 本句意為“來自家庭的廢水可以再利用”。故答案為D。

9.A 由上文可知廢水會變得更少。

10.D 由語境和常識可知，廢水必須被處理和凈化才可回歸自然。

理論指導

自然與環境類文章主要介紹自然的美好或我們生存的環境存在的問題。我們應在享受自然界美好事物的同時，也要保護自然環境，使人與自然和諧發展。在做此類完形填空時，首先要速讀全文，從整體上感知文章，掌握大意。其次要細讀內容，尤其是細讀每段首句和文中具體細節，注意文章的暗示，找出關鍵詞。最后在答案初選、復核過程中要通盤考慮，以確定答案。