人教版八年级上册Unit 2 How often do you exercise?单元培优练习（含解析）

Unit2 培优练习
一、单词拼写
1. I often help my mother do some ________ (家务劳动).
2. We should eat more ________ (蔬菜) to keep healthy.
3. My sister likes eating ________ (巧克力), but it's not good for her.
4. How many ________ (次) do you go to the movies a month
5. He uses the Internet ________ (几乎不) because he doesn't have a computer.
二、用所给单词的适当形式填空
1. My mother wants me ________ (drink) milk every day.
2. How about ________ (go) shopping this afternoon
3. He ________ (not watch) TV on school days.
4. Here ________ (be) the results of the student activity survey.
5. My father sometimes ________ (eat) in the restaurant.
三、单项选择
（ ）1. —What's your favorite ________
—I like playing basketball best.
A. sport B. food C. color
（ ）2. —How often do you eat junk food
—________. I try to eat it only once a month.
A. Always B. Usually C. Hardly ever
（ ）3. My father often ________ newspapers in the evening.
A. reads B. looks C. watches
（ ）4. We should eat ________ fruit and vegetables to keep healthy.
A. many B. much C. lots of
（ ）5. —________ do you usually go to bed
—At nine o'clock.
A. What time B. How often C. How long
（ ）6. —How often does your sister surf the Internet
—________.
A. Three times B. Once a week C. Two hours
（ ）7. —What does your father do in his free time
—He often ________.
A. exercises B. exercise C. to exercise
（ ）8. I try to eat ________ junk food because it's not good for my health.
A. more B. less C. fewer
（ ）9. —________ do you go to the movies
—Once a month.
A. How long B. How often C. How far
（ ）10. My parents and I ________ like reading books.
A. are B. all C. every
四、翻译句子
1．“你多久看一次电视？”“一周一次。”
________________________________________
2．我们班百分之十五的学生骑车上学。
________________________________________
3．你的狗每天至少睡10个小时吗？
________________________________________
4．我参观过许多城市，比如深圳和天津。
________________________________________
5．在周末，他几乎不购物。
________________________________________
五、句型转换
1.The boy eats junk food three times a week. （就划线部分提问）
__________ __________ does the boy eat junk food
2. Mike always watches TV on school night. （变为否定句）
Mike __________ __________ TV on school night.
3. The students are playing soccer in the park. （就划线部分提问）
What __________ the students __________ in the park
4. John did his homework last night. （变为否定句）
John __________ __________ his homework last night.
5. There’s some milk in the glass. （变为一般疑问句）
__________ there __________ milk in the glass
六、完形填空
Most American families like to have a holiday 1 summer. Summer is a good season 2 holidays. It’s very hot during the months of July and August.Children do not go to school during these 3 months.
Some 4 like to stay at home during the holiday. They work in the garden,visit friends, 5 books, or 6 TV .Many families 7 their lunch to park or somewhere far 8 the city. They like to eat in the place where there are many trees or a nice lake.If they live near the sea , they often go to the beach. They can fish ,swim or enjoy the sun there. America is a larger country.
Many families travel by 9 or by train to see interesting places.They also travel by plane to a foreign country.Many big cities have many famous buildings, theaters, shops and other places 10 travelers.
( )1. A. for B.in C.on D.at
( )2. A. to B.of C.for D.about
( )3.A. one B.two C.three D.four
( )4.A.people B.peoples C.man D.person
( )5.A.see B.watch C.look D.read
( )6. A.see B.watch C.look D.read
( )7.A. takes B.take C.took D.are taking
( )8.A.from B.away C.to D.of
( )9.A. car B.a car C.their car D.cars
( )10.A.as B.in C.on D.for
七、阅读理解
A
Dear Linda,
How are you I'm very busy this week. I have many classes and activities. On Monday, I have English and math classes. I like English very much. On Tuesday, I have science and art classes. I think science is very interesting. On Wednesday, I have music and PE classes. I like music. It's my favorite subject. On Thursday, I have history and geography classes. I like history. It's very fun. On Friday, I have a party at school. We have a great time.
How about you What do you do on the weekend Please write to me soon.
Love,
Mary
( )1. Mary has ________ classes on Monday.
A. two B. three C. four
( )2. Mary's favorite subject is ________.
A. English B. music C. history
( )3. Mary has a party on ________.
A. Monday B. Tuesday C. Friday
( )4. Linda is Mary's ________.
A. friend B. sister C. teacher
B
My name is Lucy. I have a good friend. Her name is Lily. We are in the same class.
Lily is a healthy girl. She often exercises. She likes playing tennis and basketball. She plays them very well. She also likes eating healthy food. She eats lots of vegetables and fruit every day. She doesn't like eating junk food.
I'm not as healthy as Lily. I don't like sports very much. I never play tennis or basketball. I like eating junk food. I eat it three or four times a week.
I know it's not good for my health. I'm going to change my lifestyle. I'm going to start exercising and eating healthy food.
( )5. Lily likes playing ________.
A. tennis and basketball B. soccer and basketball
C. tennis and volleyball
( )6. Lily eats lots of ________ every day.
A. junk food B. vegetables and fruit C. meat
( )7. Lucy doesn't like ________.
A. sports B. vegetables C. fruit
( )8. Lucy eats junk food ________ a week.
A. once or twice B. three or four times C. every day
一、单词拼写
housework 解析：“家务劳动” housework，不可数名词。
vegetables 解析：“蔬菜” vegetable，此处用复数形式 vegetables。
chocolate 解析：“巧克力” chocolate，不可数名词。
times 解析：“次” time，此处是可数名词，用复数 times。
hardly 解析：“几乎不” hardly。
二、用所给单词的适当形式填空
to drink 解析：want sb. to do sth. 表示 “想要某人做某事”。
going 解析：How about doing sth. 表示 “做某事怎么样”。
doesn't watch 解析：主语是第三人称单数，否定句用 doesn't + 动词原形。
are 解析：results 是复数，be 动词用 are。
eats 解析：主语是第三人称单数，动词用 eats。
三、单项选择
A 解析：根据 “playing basketball” 可知问的是最喜欢的运动，sport 表示 “运动”。
C 解析：“only once a month” 表示几乎不吃，hardly ever 表示 “几乎不”。
A 解析：“read newspapers” 表示 “读报纸”，主语是第三人称单数，用 reads。
C 解析：“fruit and vegetables” 是可数名词和不可数名词的组合，lots of 既可以修饰可数名词复数，也可以修饰不可数名词。
A 解析：根据 “At nine o'clock.” 可知问的是具体时间，用 What time。
B 解析：How often 问的是频率，Once a week 表示 “一周一次”。
A 解析：often 是一般现在时的标志，主语是第三人称单数，用 exercises。
B 解析：根据 “because it's not good for my health” 可知要少吃垃圾食品，junk food 不可数，用 less。
B 解析：Once a month 表示频率，用 How often 提问。
B 解析：all 用于三者或三者以上，“My parents and I” 是三者，用 all。
四、翻译句子
—How often do you watch TV —Once a week.
Fifteen percent of the students in our class go to school by bike.
Does your dog sleep at least ten hours every day
I have visited many cities, such as Shenzhen and Tianjin.
He hardly ever goes shopping on weekends.
五、句型转换
How often 解析：对频率提问用 How often。
never watches 解析：always 的否定词是 never，主语是第三人称单数，watch 用 watches。
are; doing 解析：现在进行时的特殊疑问句，把 be 动词提到主语前，动词用现在分词。
didn't do 解析：一般过去时的否定句用 didn't + 动词原形。
Is; any 解析：There be 句型的一般疑问句把 be 动词提到句首，some 变 any。
六、完形填空
B 解析：in summer 表示 “在夏天”，固定搭配。
C 解析：for 表示 “对于”，夏天是度假的好季节。
B 解析：July 和 August 是两个月。
A 解析：some 后接可数名词复数或不可数名词，people 表示 “人” 时本身是复数。
D 解析：read books 表示 “读书”。
B 解析：watch TV 表示 “看电视”。
B 解析：Many families 是复数，一般现在时用动词原形。
A 解析：far from 表示 “远离”。
A 解析：by + 交通工具，用单数，by car 表示 “乘汽车”。
D 解析：for travelers 表示 “为旅行者”。
七、阅读理解
A
A 解析：根据 “On Monday, I have English and math classes.” 可知周一有两门课。
B 解析：根据 “I like music. It's my favorite subject.” 可知最喜欢的科目是音乐。
C 解析：根据 “On Friday, I have a party at school.” 可知周五有派对。
A 解析：文章中没有明确表明 Linda 和 Mary 的具体关系，推测是朋友。
B
5. A 解析：根据 “She likes playing tennis and basketball.” 可知选 A。
6. B 解析：根据 “She eats lots of vegetables and fruit every day.” 可知选 B。
7. A 解析：根据 “I'm not as healthy as Lily. I don't like sports very much.” 可知选 A。
8. B 解析：根据 “I eat it three or four times a week.” 可知选 B。