八年级英语上册 Unit 2 How often do you rcise（第5课时）学案（无答案）（新版）人教新目标版.doc

第5课时学案unit 2 how often do you exercise?the fifth period (3aself check) 【学习目标】1. 学习掌握以下词汇：dentist, magazine, however, than, more than, almost, less, less than, point2.熟练运用表示频率的句型进行会话和写作。【重点难点】重点：掌握however, than, almost, less等重点词汇的运用。难点：熟练运用表示频率的句型进行会话和写作。【新知预习】英汉互译。1. 许多好习惯 _2. 看杂志 _3. 去看牙医 _4. 超过两个小时 _5. help with housework _6. almost every day _7. less than a week _8. five times or more _【课堂探究】1. 频率副词的用法。always，usually，often，sometimes，hardly ever ，never都是表示事情发生频率的副词，也是不准确地说某事在一段时间内发生的次数。我们按照频率发生的高低，可以将这几个词排列为always usually often sometimes hardly ever never。请看下面的图解:alwaysusuallyoftensometimesnever 100% 7080% 60-70% 30-40% 0【针对练习】他通常骑自行车上学。he _ goes to school by bike.他经常上学迟到。he is _ late for school. 有时候他骑自行车上班，有时候他乘公共汽车上班。_ he goes to work by bike, and _ he goes by bus. 她几乎不打牌。she _ plays cards. 他从来都没有在那儿住过。he _ lives there. 2. she often watches tv for more than two hours a day. “more than数词”含“以上”或“不止”之意，用于此意时相当于over，【针对练习】the man looks very old, i think he is _(超过) ninety years old. 3. less than的主要用法是:(指数量)不到，不足:he slept for less than six hours last night.昨晚他睡了不到六个小时比(小)少:two is less than three.二比三小。【针对练习】jenny does her homework _ times a week, _ three times.a. a little; less than b. a little; more than c. a few; less than d. a few; more than 4. however 作为副词，意为“可是；不过；然而；无论如何；不论到什么程度”。however比but的词义还要弱些，并不直接引出相反的意见，因此，常用作插入语。如:id like to go with you，however, my hands are full.我很想和你一块儿去，可是我忙不过来。【针对练习】my room is small，_(不过), its comfortable.5. almost的用法：修饰动词时，通常应放在行为动词之前，特殊动词之后(见上例)；修饰形容词、副词、名词等时，通常应将其放在被修饰词语之前，例如:he worked almost all day.他几乎一整天都在工作。dinner is almost ready. 饭差不多做好了。【针对练习】差不多所有的学生都来了。_ all the students are here. 【达标练习】一、选出正确的选项。1. we go to the movies _(once/every)a month.2. how _(many/often) hours do you sleep?3. lily is careful about food and exercise. she looks _(at/after) her health.4. she has many healthy _(habit/ habits), such as eating fruit, playing basketball and walking after supper.5. eating too much junk food is _(healthy/ unhealthy).二、单项填空。( )1. _do they play football? always.a. how soon b. how much c. how many d. how often( )2. john has an _ son.a. eight years old b. eight-year-old c. eight-years-old d. eight year old( )3. he works very hard, he fails. a. because b. since c. if d. although( )4. i feel tired. i have so much work to do and dont have much time for myself. you should take _, i think.a. health b. exercise c. lesson d. time( )5. how often do you exercise? ever. because i am very busy with my work.a. hardly b. nearly c. alwaysd. almost三、句型转换。1. i think she has a good habit. (改为否定句) i _ _ she _ a good habit.2. they play football on wednesday and saturday afternoon. (改为同义句)they play football _ a_.3. they often sleep for more than eight hours every night.(对画线部分提问)_ _ hours do they sleep every night?4. his little brother eats fast food a few times a week. (对画线部分提问)_ _ _ his little brother eat fast food?5. she often helps with the housework.(改为一般疑问句) _ she often _ with the housework?四、连词成句并用提示词回答问题。1. eat, vegetables, does, how, she, often(four times a week)q: _?a: _. 2. they, food, junk, eat, often, how, do(almost e