Unit 2 单元易错专题（作业课件）-八年级英语初二上册【黄冈百分闯关】人教版

百分闯关 八年级上册英语（人教版） Unit 2　How often do you exercise? 单元易错专题 百分闯关 易错点一：How often，how long，how far 与how soon的辨析) 【精析】how often意为“多久一次”，对动作或行为发生的频率进行提问，如often，usually，sometimes，once a week等；how long意为“多久；多长”，对一段时间或物体的长度进行提问；how far意为“多远”，对距离进行提问；how soon意为“多久以后”，常对将来的时间或“in＋一段时间”进行提问。 百分闯关 【精练】 1．—____ do I need to feed the pet dog? —Twice a day. A．How long　　　　　B．How much C．How soon D．How often 2．—You come to school early every day.____ is it from your home to school? —It's only about one kilometer. A．How long B．How much C．How many D．How far D D 百分闯关 3．—Mr. Smith，____ is the new bridge? —Oh，let me see！It's about 800 meters. A．How old B．How long C．How much D．How often 4．—____ does it take you to get to school every day? —About twenty minutes. A．How long B．How much C．How often D．How far B A 百分闯关 5．—____ will you finish your report? —In two days. A．How often B．How long C．How far D．How soon D 百分闯关 易错点二：hardly与hard的辨析 【精析】hardly否定副词，意为“几乎不，几乎没有”，常用短语hardly ever，表示频率，意为“几乎从不”。hard副词，意为“努力地”；也可用作形容词，意为“困难的，硬的”。 【精练】 6．He studies ____．He ________ plays with his friends. A．hard；hardly B．hardly；hardly C．hard；hard D．hardly；hard A 百分闯关 7．—You look so tired，Lucy. —I ____ slept last night.I feel very terrible now. A．always　　B．ever　　　C．hardly　　D．usually 8．凯特几乎从不玩电脑游戏。 Kate _______ ___ _______ computer games. 9．Lily hardly_ever eats junk food.(对画线部分提问) ____ ____ ______ Lily eat junk food? C hardly ever plays How often does 百分闯关 易错点三：cross，across与through的辨析 【精析】cross动词，意为“穿过；越过”，可单独作谓语，表示横穿物体表面，如横过马路，过桥，过河等；across介词，意为“穿过，横穿”，指在物体表面上运动、横穿，常与go，run，swim等连用；through介词，意为“穿过，透过”，常与go，walk等动词连用，表示从物体内部穿过，如穿过森林、隧道等。 百分闯关 【精练】 10．Look！They are walking ______ the street. 11．We spent two hours walking _______ the forest. 12．They want to ______ the river by boat. across through cross 百分闯关 易错点四：although的用法 【精析】although连词，意为“虽然；尽管；即使”，引导让步状语从句。注意although与but都是连词，但它们不能同时出现在同一个句子中。 【精练】 13．Miss Yang often helps me with my English，____ she is quite busy. A．if B．because C．although D．when