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高三化学限时训练2命题人:段雁威 审题人:许春梅 负责人:张东生一选择题(每题只有一个正确答案共50分)1.下列各组物质中全部属于纯净物的是() A.福尔马林白酒醋B.丙三醇氯仿乙醇钠C.苯汽油无水酒精D.甘油冰醋酸煤2.下列各组物质中属于同系物的是()A.硬脂酸软脂酸B.CH3COOHC3H6O2C.D.HCH
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6B Unit 2课时练 A写出下列副词的比较级 _______ _______________ _________________ _________ _______ _________ _____ ______ _________higherlaterfasterworseearlierfartherlowermorehigherbettermore用所给词的适当形式填空1 I can swi
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Unit 3 限时训练1I'd like to have the letter ________ before noonA.typeB.typingC.be typedD.to be typed2Can you tell me the way to the bus stopSorry,I don't knowThat's all right Thank you ________A.anywayB
PAGE Unit 5 Lets eat Period Two同步练习一听录音在同学们喜欢吃的食物下打LilyAmyMaryPeterSam二听录音给下列食物标上正确的字母序号(A——E) ( ) ( ) ( ) ( ) ( ) 三从下面的答句中选择正确的
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