原版英语RAZ 教案Q45-Sinkhole Science (4).pdf

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1、 Learning AZ All rights reserved.www.readinga-Quick CheckLeveLInstructions:Read each question carefully and choose the best answer.Name Date Quick Check continued on following pageQ Q1.According to the book,where is the deepest sinkhole in the world?A United StatesB VenezuelaC ChinaD Egypt2.In what

2、ways are all sinkholes alike?A They are all caused by water erosion.B They are all caused by humans.C They all form suddenly.D Both A and B3.Which of the following best supports the opinion that some natural sinkholes are amazing?A The Qattara Depression is twice the area of the state of Rhode Islan

3、d.B Areas that get a lot of sinkholes usually have bedrock made of karst.C Some sinkholes may become ponds or wetlands.D Sinkholes take years to form.4.According to the author,what can be the result of people using sinkholes as garbage dumps?A bigger sinkholesB pollution in our food and drinking wat

4、erC extinction of local animalsD traffic accidentsSinkhole Science Learning AZ All rights reserved.www.readinga-Quick Check(continued)LeveLName Date Quick Check continued on following pageQ QSinkhole Science5.The Qattara Depression in Egypt.A is the deepest sinkhole in the worldB is filled with uniq

5、ue plants and animalsC is filled with water D is the largest sinkhole in the world6.What is the main difference between cover-subsidence sinkholes and cover-collapse sinkholes?A one forms slowly and one can form suddenlyB one is natural and one is man-madeC one is dangerous and one is beautifulD non

6、e of the above7.People try to solve the problem of sinkholes by.A watching for cracks in walls and sidewalksB pouring tons of garbage into themC putting steel rods in the bases of housesD all of the above8.is the dirt,soil,and rocks above the bedrock that can collapse and cause a sinkhole.A ErosionB

7、 OverburdenC SedimentD Clay9.The authors main reason for writing this book was to.A let readers know about water erosionB entertain readers with photographs of natural sinkholesC inform readers about sinkholes and how they occurD persuade readers not to dump garbage in sinkholes Learning AZ All righ

8、ts reserved.www.readinga-Quick Check(continued)LeveLName Date Q QSinkhole Science10.The layer of solid rock underneath the grounds surface is called.A bedrockB chasmC groutingD mines11.Extended Response:What can people do to predict and prevent human-caused sinkholes?12.Extended Response:What causes

9、 sinkholes?Use information from the text to support your answer.Learning AZ All rights reserved.www.readinga-Quick Check Answer SheetLeveLQ QMain Comprehension Skill:Compare and ContrastSinkhole Science 1.C Main Idea and Details 2.A Compare and Contrast 3.A Fact and Opinion 4.B Cause and Effect 5.D

10、Main Idea and Details 6.A Compare and Contrast 7.C Main Idea and Details 8.B Vocabulary 9.C Authors Purpose 10.A Vocabulary 11.Answers will vary but should include ideas from the text such as the following:check and maintain underground pipes and tunnels regularly,test bedrock for its composition,look for tilting trees or cracks in walls and sidewalks,and so on.12.Answers will vary but should include ideas from the text such as the following:Rocks and soil slowly erode underground,often soft bedrock,which create underground spaces;these spaces result in sinkholes.