unit 1 how often do you exercise ?
part one 重点词汇精讲。
1. exercise
好题精选。(1) tina __three times a week．she is very healthy．
a．exercise b．exercises c．exercising
(2) you must take more __to keep in good health.
(3) we usually do morning __in the morning.
2. hardly
好题精选。1) pass my glasses to me ,jack .i can __read the words in the news*****.
a．hardly b．really c．rather d．clearly
2) we __know what to say.
a．hardly b．not c．hardly ever d．yet
3) my daughter studiesshe __goes to sleep before 11 o’clock at night.
a．hard; hard b．hard; hardly c．hardly; hardly d．hardly; hard
3. as for
好题精选。i can play ping-pong. as __basketball, i can’t do it .
a ．at b．ifc．for d．well
4. how often
好题精选 we drink milk every day .(对划线部分提问)
do you drink milk .
a．how long b．how often c．how much d．how far
5. kind of
好题精选。1)she___of hoped to be invited．
a．kind b．kinds c．all kinds
2)how many __medicine are used for the children of six years old?
a．three kinds b．kinds of
c．kind of d．some kinds
6. sometime , some time ,sometimes , some times
好题精选。(1)i don’t like animals very much，but __i'm friendly．to them．
a．sometime b．some time
c．sometimes d．some times
(2)请用sometime，sometimes，some time，some times 填空：
①i saw him __last summer．
②he writes to file and i __call him．
③i h**e been to hainan __
my father will stay in beijing for next year．
7. healthy & unhealthy
好题精选。eating fruit can help you keep ．
a． health b．healthy c．healthier
8. although
好题精选。(1) i __lei feng is no longer living，his spirit lives on today．
a．if b．when c．though d．because
(2)i shan’t mind __he doesn’t
a．although b．if c．when d．whether
9. the same as
好题精选。her pen is___yours.
a．the same b．same as c．the same as d．as the same
10. different
好题精选。选用different或difference填空。
is her lifestyle the same as yours or___what are the___
part two 重点语法精讲。
一般现在时。
1. 构成：
①一般现在时主要用动词原形表示，但在第三人称单数后，动词词尾要加-s。另外，be动词和h**e有特殊的形式。
be动词：第一人称单数之后用an3，第二人称及复数人称之后用are，第三人称单数之后用is。
h**e：第三人称单数之后用has，其他人称之后用h**e
动词第三人称单数的构成：
a．一般情况下，在动词之后直接加一s。例如：reads，writes，says等。
b．以ch，sh，s，x或o结尾的词加-es。例如：teaches，washes，guesses，goes，fixes等。
c．以“辅音字母+y”结尾的词，变y为i，再加-es。例如：trytries，carrycarries等。
2. 一般现在时态的用法。
表示现在的动作或存在的状态。
you need to take a rest．你需要休息。
he lives in the city of beijing．他住在北京市。
they are in good health．他们身体健康。
表示经常或习惯性的动作，常与always，usually，often，sometimes, every day，every week等时间副词连用。
he takes a walk in the park every morning．
他每天早晨在公园里散步。
he is often late for sch001．他上学经常迟到。
表示既定事实或一成不变的事情。
the earth goes around the sun．地球围绕太阳转。
there are twelve months in a year．一年有十二个月。
3. 关于频率副词always，usually，often，sometimes，hardly ever 用法及区别。
它们都是表示频率的副词，表示多长时间做某事一次。
它们的主要区别在于表示的频率高低不同。
①always意为“一直，总是”，没有间断(教材上用。100％表示)。
he always gets to school before 7 o’clock．
他总是7点钟以前到学校。
usually意为“通常地，一般地”，表示习惯性动作，少有例外，频率仅次于always。
i usually go to school by bus．我通常乘公共汽车上学。
③often意为“常常，时常”，频率不定，和说话人的主**法关系较大。
he often asks me questions after class． 他常常在课后问我问题。
he is often late for school．他经常上学迟到。(也许一周有两三次，也许一个月有一两次，要依说话人的主**法而定)
sometimes意为“有时”，表示的频率较低，相当于at times。
mr wang has lunch at school sometimes． 王老师有时在学校吃午饭。
hardly ever意为“几乎从不，几乎没有”，表示否定意义。
he hardly ever goes to bed before midnight． 他很少在半夜以前就寝。
例题](1)用所给动词的适当形式填空。
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