Unit 2 How often do you exercise单元易混知识点辨析练习 （无答案）人教版八年级英语上册

Unit2 How often do you exercise
一、短语翻译
给某人展示某物
向某人寻求某物
向某人寻求帮助
由于
百分之...的....
网上购物
惊奇地
出乎意料地，使某人吃惊的是
的答案
改变某人的主意
在某人看来
例如，比如说
某事物花费某人...钱
支付
超过...
去看牙医
二、单元易混知识辨析
辨析sometimes/ some times /sometime/some time
sometimes 频度副词 有时 表示动作发生的不经常性，多与一般现在时连用，它可位于句首、句中或句末，对它提问用how often。
some times 名词短语 几次；几倍 其中time是可数名词，对它提问用how many times。
sometime 副词 某个时候 表示某个不确切或不具体的时间，常用于过去时或将来时，对它提问用when。
some time 名词短语 一段时间 表示＂一段时间＂，句中谓语动词常为延续性动词。对它提问用how long。
辨析 hardly与hard
hardly 副词， 意为“几乎不”
hard 用作副词，意为＂努力地＂；用作形容词，意为“硬的；困难的”。
辨析 every day与everyday
every day 副词短语，作状语，意为＂每天＂，相当于each day。
everyday 形容词，作定语，意为＂日常的＂，相当于daily。
特殊疑问句中与how相关的疑问词组用法
how long 多久 询问时间多长
how often 多久一次 询问动作的频率
how soon 过多久以后 询问时间多久（用于一般将来时）
how far 多远 询问距离多远
how many 多少 询问可数名词数量
how much 多少 询问不可数名词数量
多少钱 询问价格
练习
一、单选
1．I do homework every day，usually when I come______home______school.
A．to；from B．at；for
C．/；from D．from；to
2．The students exercise every day，and they try______themselves healthy.
A．keep B．keeping
C．kept D．to keep
3．______ hours do you exercise every day
A．How long　　 B．How much
C．How many　　 D．How often
4．The answers ______ these questions were very ____ __.
A．of；interesting　　 B．to；interested
C．of；interested　　 D．to；interesting
5．—How ______juice would you like
—One kilo.
A．many B．much
C．heavy D．often
6．Mr.Morgan ______ know the way to the museum.
A．maybe　B．may be　C．may　D．perhaps
7．Many animals ______ because the weather was bad.
A．were dead B．Died C．dying D．death
8．They usually go shopping ______.
A．one a week B．once a week
C．one the week D．once week
9．Tim is young，______，he can speak three languages.
A．but　B．yet C．however D．though
10．Smoking______your health.
A．is good for B．is bad for
C．is good to D．is bad to
二、根据首字母填空
1．I’m not sure you’re right about the r________ of the coming contest.
2．—As we know, Mo Yan is a famous w________.
—Yes, I like his works very much.
3．—How do you keep healthy
—I keep healthy t________ exercise.
4．A________ the girl is young, she can speak English very well.
5．Watching t________ too much is bad for your eyes.
6．--- What's your favorite p_______
--- Happy Camp.
7．This cup is f_______ of juice.
8．I think doing sports is good for our h_______.
9．They asked the students about their free time activities and showed these r_____ to their teachers.
10．A______ she is a child, she knows quite a lot.
三、用所给词的适当形式填空
1. ________(do) eye exercises is good for your health.
2. Does your friend Ross ________(go) to school at 7:00
3. People love ________(listen) to him.
4. Miss Tong ________(teach) us English.
5. Xiao Ling ________(not watch) TV at night.
6．If she ____________ (not call) me up，I won't go.
7．Peter likes China very much and he teaches ___________ (he) Chinese.
8．When we cross the road，we should be ___________ (care)．
9．James advised us__________ (take) a trip to Yunnan.
10．It's best_________ (run) in the morning. It's good for our health.
四、句型转换
1．I like English best in the school. (改为同义句)
English is my ______ ______ in the school.
2．Linda often helps her mother with the dinner. (改为同义句)
Linda often ______ her mother ______ the dinner.
3．They sometimes go to the movies on Friday. (改为一般疑问句)
______ they ______ ______ to the movies on Friday
4．My father always watches TV in the evening. (改为否定句)
My father ______ ______ TV in the evening.
5．Lucy goes to the movies once a week. (对画线部分提问)
______ ______ ______ Lucy go to the movies