Unit 13 We’re trying to save the earth!Unit 13 We’re trying to save the earth! Section A 3a—4c 九年级英语 新目标 [ 人 ]Have you ever seen a shark?What has happened to sharks?The general idea of the article is about . A.water pollutionB.environmental protection groupsC.the sharkRead for the general idea of 3a.CWhere shark fin soup is popularNumber of sharks caughtand traded every yearHow much the numbers of some kinds of sharks have fallen in the last 20 to 30yearsTwo environmental groups against “finning”southern China70 millionover 90 percent WildAid and the WWFRead the passage about sharks and complete the fact sheet below.Read the passage again and fill in the blanks with the words in the box.so although if but when1. Many people do not realize they are killing a whole shark ______ they enjoy a bowl of shark fin soup.2. Sharks are at the top of the food chain, ____ if their numbers drop, the ocean’s ecosystem will be in danger.3. Many think that sharks are too strong to be endangered, _____ they are wrong.4. _________ there are no scientific studies to support this, a lot of people believe that shark fins are good for health.5. Sharks may disappear one day ___ we do not do something to stop the sale of shark fins.whensobutAlthoughif☆ 教材解读☆1.If their numbers drop too low,it will bring danger to all ocean life. if 引导的是条件状语从句 , 谓语动词使用一般现在时表示将来 , 主句使用一般将来时。If it doesn’t rain tomorrow,we will go fishing. 如果明天不下雨 , 我们就去钓鱼。2.So far,no scientific studies have shown that shark fins are good for health,so why eat them? ◆so far 的意思是“到目前为止” ,主句时态使用现在完成时。So far,we have learned English for six years. 到目前为止 , 我们已经学习...