原版英语RAZ 教案(Z2) Genetics At Work_WS.pdf

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1、www.readinga-Name Learning AZ All rights reserved.Genetics at Work Level Z2 1Image:Fuse/ThinkstockSkill:Main Idea and DetailsInstructions:Reread a section from Genetics at Work.Record the main idea and supporting details of the section.Use the information you have collected to write a summary in the

2、 space provided.Main IdeaDetailsSummarywww.readinga-Name Learning AZ All rights reserved.Genetics at Work Level Z2 2Skill:AdverbsInstructions:Choose a word from the box that completes each sentence by changing the word into an adverb.Write the adverb on the line in each sentence and circle the verb

3、it describes.Then,on the back of this page,write two sentences of your own using adverbs and circle the verb the adverb describes in each sentence.wideselectiveoriginalrecentgeneticcurrentwrongnearcommonrelativeday1 By breeding these plants,scientists ensure the plants good traits are passed on to c

4、reate crops that grow faster and produce better fruit.2 Most of the foods we eat have been modified,either through breeding or technology.3 Scientists are experimenting with crossbreeding different species.4 Border collies were used to herd cattle and sheep along the English-Scottish border.5 Shephe

5、rds are still used in Australia.6 Captive breeding is often done with species that are extinct and cannot survive in the wild.7 The once-common gray wolf has only been brought back into the United States.8 DNA also has been used to free people who were convicted of crimes.9 Crosses between two or mo

6、re breeds of dogs are called mutts.bk Genetics is an exciting and new branch of science that brings new developments and new opportunities almost.www.readinga-Name Learning AZ All rights reserved.Genetics at Work Level Z2 3Images:left:GlobalP/iStock/Thinkstock;center left:Eric Issele/iStock/Thinksto

7、ck;center right:Eric Issele/iStock/Thinkstock;right:Anatolii Tsekhmister/iStock/ThinkstockSkill:Alphabetical OrderInstructions:Below are words taken from Genetics at Work.Write the words in alphabetical order on the lines below.geneticinheritgeneticallyselectcharacteristichybridizationselectivegeneticsgeneshereditycaptive breedinghybridselective breedingtraitssterilesterilize