九年级第四课知识梳理及同步联系

1、Unit 4 I used to be afraid of the dark知识点一 反意疑问句的用法和结构教材原文Mario, you used to be short, didnt you?马里奥 , 你以前很矮, 是吗 ?本句是反意疑问句 , 陈述部分含有used to do 结构 , 附加问句要用助动词did 。反意疑问句由“陈述部分+附加问句”构成 , 陈述部分如果是肯定形式 , 附加问句要用否定形式 ; 陈述部分如果是否定形式, 附加问句要用肯定形式 , 可简单记忆为 “前肯后否”和“前否后肯” 。归纳拓展 如果陈述部分含有few（ 几乎没有 ） 、 little（ 几乎没有 ）

2、、 seldom（ 几乎不 ） 、 hardly（ 几乎不 ） 、 never（ 从不 ） 或 nothing（ 没有任何东西 ） 等否定词 , 附加问句要用肯定形式。如 :He has never been to London, has he? 他从来没有去过伦敦 , 是吗 ?He didnt pass the exam, did he? 他没有通过考试, 是吗 ?Yes, he did. 不 , 他通过了。 （ 事实是肯定的 ）No, he didnt. 是的 , 他没有通过。 （事实是否定的 ） 例 He doesnt speak English or Japanese,? . He s

3、peaks Chinese.A.does he;Yes, he doesntB.doesnt he;No, he doesC.does he;No, he doesntD.does he;Yes, he does解析 句意 : 他不讲英语 , 也不讲日语, 是吗?是的, 他不讲。他讲汉语。知识点二silent 的用法及派生词教材原文She was always silent in class. 她在课堂上总是很沉默。 silent 作形容词 , 意为“不说话的 ; 沉默的” 。词汇联想短语 : keep silent 保持沉默派生词 :silently adv. 沉默地 ; silence n

4、. in silence 沉 默 ; 无声 )题考查反意疑问句及其答语。 反意疑问句要遵循 “前否后肯,前肯后否” 的原则。 由 doesnt 可知第一个空应为 does he 。反意疑问句的答语要根据事实作答 ，肯定回答用 Yes+肯定结 构，否定回答用No第定结构。根据句意可知为否定回答，用 No,he doesnt 。故本题选择C。例 The girl always keeps (silence)in class. Sheseldom answers the teachers questions.知识点三由 in public 归纳 “ in+ 名词 ”构的短语结教材原文giving a

5、 speech in public 公开发表演讲in public 是固定搭配, 意为“公开地; 当众” 。I get nervous when I speak in public.我当众讲话时觉得很紧张。归纳拓展常见的“ in+ 名词”结构的短语有:例 Blue whales are. Weshould try to protect them.A.in time B.in public C.in danger知识点四 absent 的用法教材原文Sometimes he was absent from classes andfailed his examinations. 有时他还会旷课,

6、考试不及格。absent 作形容词 , 意为 “缺席的 ; 不在的” , be absent from.是固定搭配，意为“缺席”。He has never been absent from class this term.他这学期从没缺过课。例 I will visit my grandparents tomorrow,so I have to be absent your birthday party.A.by B.in C.at D.from知识点五proud 的用法及延伸be proud of.意为“为感到自豪”，该短语和take pridein 是同义表达He won the comp

7、etition and we were proudof/took pride in him. 他赢得了比赛, 我们为他感到自豪。例 Frank is an independent boy. His parents are proudhim.A.on B.to C.in D.of知识点六used to do sth. 和 be used to doing sth. 的区别used to do sth 结构用来描述以前经常发生的动作或存在的状态 , 暗指现在已经不再那样做了 .( 过去常常干某事 )be used to doing sth 等同于 get/become used to doings

8、th., 表示“习惯于做某事” 。例 I used tonewspapers and watch TV after dinner.But now Im used toa walk.A.read;takeB.read;takingC.reading;takingD.reading;take知识点七 a number of 表示“许多 ; 大量” , 其后要跟可数名词的复数。 a number of. 结构作主语时 , 谓语动词要用复数形式the number of 表示的数量”其后也跟可数名词的复数。 the number of. 结构作主语时 , 谓语动词要用单数形式 知识点七例。 There

9、 a number of books in the library andthe number of them increasing.A.has;is B.have;are C. are;is D.is;are一 . 用所给词的适当形式填空.Can you see the wolf over there?It comes from a(Europe)country.(2018 江苏徐州中考)I need(silent) when I amstudying.(2018 吉林长春朝阳区期中 )He often tells jokes to us.We all know that he is(hum

10、or).(2018 黑 龙 江 绥 化 中 考 )Gina always keeps (silent) in class.(2018 山东临沂中考)It is very (help) for metohave conversations with friends in English every day.My speaking skills have certainly improved.二 选择题b is ayoung man. He always makes us laugh.A.humorousB.silent C.helpful D.seriousared bikes, which a

11、re environmentally friendly,quite popular among big cities in China since last April.A.became B.have become C.will become.Grace often gets nervous before she gives a speech.A.in public B.in total C.in common.My sister be lazy. But now shes working reallyhard.A.used to B.is used to C.was used to.Prof

12、essor Tu Youyou never stops doing research on Chinese medicine, ?A.is sheB.does sheC.isnt sheD.doesnt she.We used to in the evening, but now we are usedto early in the morning.A.exercise;exerciseB.exercise;exercisingC.exercised;exerciseD.exercising;exercise.Mr. Green is very .He is good at telling jokesin class and we all like him very much.A.kindB.humorousC.seriousD.politeI.根据汉语意思完成句子（每空一词）1. 刚才我看到他