1、八年级英语上第 2 单元第 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
2、. 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:always us
3、ually often sometimes never100% 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
4、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
5、 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
6、. 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
7、 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
8、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
9、.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. Always D. 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 pl
10、ay 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 hous
11、ework?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 every day)Q:_?A:_.3. you, hours, do, usually, at, sleep, how many, night(less than seven hours)Q: _?A: _.Time, Time again, I ask myself （请写出这节课你的收获，完成下面的反思）【学后反思】
