Unit15We’retryingtosavethemanatees！1.Itis________(suit)forthisweather.解析：besuitablefor适合于。答案：suitable2.Thepaperismade________grass.A.ofB.inC.forD.from解析：纸是由草制成的，看不出原材料。答案：D3.Thereare________manypeoplethatitisverycrowded.A.soB.suchC.veryD.too解析：so与such可以与that连用，意思为“如此……以至于……”，而当名词前出现many,much,few,little时要用so。答案：A4.Thestuffusedto________(call)trash.解析：这些材料过去常被叫做垃圾。明显是被动语态，而不定式的被动语态是to+be+v.(p.p)。答案：becalled技能知识1.—Doyoulikethekangaroos?—Yes,theyare_________.A.playfullB.politelyC.spareD.aquatic2.Mostofusthinkthemanateeis________.A.aggressiveB.suitableC.gentled.tiny3.Themost_______animalsareelephants.A.beautifullyB.enormousC.smallD.public4.Thefishlivers________.A.materialB.onlandC.underwaterD.vegetation5.Someofthecheetahsareaggressiveand_______.A.comfortableB.endangeredC.mysteriousD.spotted有效信息：1.A2.C3.B4.C5.D过程与方法观察形容词在句中的作用，通过练习和运用加以巩固。情感态度与价值观通过对形容词的探究，掌握在观察和比较中发现问题、解决问题的能力。
