Unit 2 Section A (1a--2d) 讲义 2023-2024学年人教版八年级英语上册
Unit 2 How often do you exercise?
Section A (1a--2d)
重难点词汇：
- exercise
(1) v. 锻炼，运动
How often does Alice exercise?
My mother usually exercise three or four times a week.
(2) n. 运动，（保持健康或培养技能的）一套动作，习题
〖注意〗当exercise解释为“运动”时，是不可数名词；当exercise解释为“（保持健康或培养技能的）一套动作，习题”时，是可数名词。
Many old people often do exercise in the morning.
Students do eye exercises at about 2 p.m.
Our teacher asked us to finish the exercises on the book.
- help with housework 帮助做家务事 （housework是不可数名词）
“help with sth.”意为“帮助做某事，在某方面提供帮助”
Lucy is lazy. She never helps with housework.
My cousin often helps with Tom’s math.
〖拓展〗 help sb. (to) do sth. 帮助某人作某事
My son sometimes helps me (to) cook dinner.
- full adj. 忙的，满的，充满的，饱的
常用短语：be full of...意为“装满......”，后接可数名词的复数形式和不可数名词
Yesterday was quite full for Peter.
The box is full of vegetables.
Henry ate three bananas just now so I think he’s full now.
- hardly ever 几乎从不
Jasper hardly ever calls his dad.
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〖辨析〗hardly & hard
hardly | adv. 几乎不，几乎没有 | I can hardly see anything. |
hard | adv. 努力地；猛烈地；沉重地 | It rained hard the day before yesterday. |
adj. 困难的；猛烈的；努力的；艰难的 | No one wants a hard life. |
〖注意〗很多学生认为hardly是hard的副词形式，但其实它们之间并无关系。
- always, usually, often, sometimes, hardly ever, never属于频度副词，
其表示的频率由高到低排列如下：
always（100%）>usually>often>sometimes>hardly ever>never（0%）
I always watch TV at night.
Mom usually goes to bed early.
- on weekends 在周末，每逢周末
They always go shopping on weekends.
〖辨析〗on weekends & on the weekend
on weekends | 泛指每个周末 |
on the weekend | 特指在某个周末 |
Cindy goes to the library on weekends.
（表示每逢周末就会去图书馆）
Cindy will go to the library on the weekend.
（表示这个周末去图书馆）
- about adv. 大约，左右
She goes shopping about once a week.
Mike got to school at about 7 a.m. this morning.
〖拓展〗about还可作介词，意为“关于”
Her friend asked her about her plans of the weekend.
The cartoon is about Peppa Pig.
- Shop v. 购物 (过去式：shopped 现在分词：shopping)
How often do you shop?
〖拓展〗shop还可作名词，解释为“商店”
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In the morning they can have breakfast in the coffee shop.
There are many clothes shops on this street.
- go to the movies 去看电影
She said her mother never went to the movies.
They decided to go to the movies this weekend.
〖拓展〗go to the cinema也表示“去看电影”
- maybe adv. 可能；大概；或许（常用于句首）
may be 意为“可能是”，只用于句中
Maybe we are wrong.
We may be wrong.
- Once adv. 一次，曾经
They go to the mountains once a year.
Helen once lived in a small village.
- 表示频率的词组结构：次数+时间，如：
(1) once a day 一天1次
(2) twice a week 一周2次
(3) three times a month 一月3次
(4) once every four years 每四年1次
Students take P.E. class three times a week.
The Olympic Games are held once every four years.
- use the Internet 上网
(1) 其中use 是动词，意为“使用”
Eric is teaching his grandma how to use the smart phone.
〖拓展〗use还可作名词，意为“使用”
The bar is for the use of members only.
- read English books 看英语书
Kate hardly ever reads English books.
〖辨析〗read, watch, look, see
read | 用于看报纸、杂志、书籍等(newspaper, magazine, book...) |
watch | 用于观看动态的画面(TV, football game, movie...) |
look | 解释为“看”时，须与at连用，即look at sb./sth. |
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