【知识整理】
单元目标。重、难点及方法提示】
典型例题及评析】
例1】--does wang lin do his homework at home
- five times a week.
a. how soonb. how long
c. how many times d. how often
解题思路】选d。 how often用来询问某动作发生的频率， 意为“多久（一次）”,通常是对一些表示频率的副词提问，如always，usually，often，sometimes，hardly，ever，never等，也可以对表示多久几次之类的短语提问，如once a week，twice a year，three times a day 等。
how soon一般用在含有将来时态的问句中，意为“过多久”，通常用in+一段时间来回答。
例如：--how soon can you be ready?
-in five minutes.
how long用于对时间段提问，询问某一动作进行多长时间了，意为“多久”。
例如：--how long h**e you been here, lily?
-about three months.
how many times用来询问次数的，常对once, twice, three times 等提问。
例如：--how many times h**e you been to shanghai?
-oh, several times.
例2】i watch tvthis is my __lifestyle.
a. every day, everyday b. everyday, every day
c. every day, every day d. everyday, everyday
解题思路】选a。every day意为“每天、天天”，在句子中作时间状语。everyday是形容词， 意为”每天的、日常的、平常的”,在句中作定语。
例3】 the old man often takes a walk alone, but __with his dog.
a. some times b. sometimes
c. sometime d. some time
解题思路】选b。本题考查的是频率副词sometimes。some times意为“许多次”；some time意为“好多时间”。
例4i get a letter from him .
a . some time b . some times c . sometimes d . sometime
精析 c。放在句首，不能用表示一段时间的 some time , 因此可排除a； d中的sometime 是指在某段时间里德某个时候，与题意不符也可排除；b中的some times表示“多次”，是个名词性短语，放在句首无实在意义，应排除；只有选项c中sometimes意为“有时”，符合题意。
第一课时 section a (1a-2c)
检测习题】一．词组翻译。
1.关于，至于2.垃圾食品。
3.照顾，照料4.几乎不。
5.在周末6.多久一次。
二．按照频率的大小依次写出下列单词。
总是（100%） 通常常常有时几乎不从不（0%）
三。 用所给的语句组成对话，将其标号按顺序填入括号。
. a. it's good to see you again.
b. hello. how are you?
c. i'm fine, thanks.
d. pretty well, thanks. and you?
. a. just fine. what's new?
b. fine, thank you. how about you?
c. hello. how is everything?
d. nothing much.
. a. that's all right.
b. excuse me. where's the bus stop?
c. thank you for the help.
d. it's near the book shop.
四。 根据自己的情况回答问题，然后在班内进行调查。
1. how often do you read english books?
2. how often do you watch tv?
3. what do you usually do on weekend?
4. what do your parents do on weekend?
5. how often do you meet with your friends?
6. how many hours do you sleep every night?
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