精讲笔记

1时），s对om它et进im行es提是问个常频用度h副ow词o，ft意en为。“有时候”，多用于一般现在
如： Sometimes I watch TV with my parents．有时我和父母一起看电 视。
—How often do you write to your father？你多久给你父亲写一次信？ —Sometimes．有时。
2表)s示om的e是tim任e也何是时一候个或副某词一，不意确为定“的在时某间一，时对候它（提过问去用或wh将en来。）”，
如： —When can you finish the work？你何时能完成这项工作。 —Sometime next month．下个月某个时候。
3）some times是名词短语，意为“几次（倍）”， time是可数名词。对它提问用how many times。
• E.g. Rose seems to be a very cute girls .
• 罗斯看上去是一个非常可爱的女孩。
• 拓展：1）seem 后可接名词、形容词、动词不定式做表语。
• E.g. It seems a lovely cat .
• They seemed happy today .
•
知识点五
In addition, computers can do important jobs like operating railways and flying planes and spaceships.
此外，计算机还能做像操控铁路系统、驾驶飞机和宇宙飞 船这样的重要工作。
点拨：in addition 意为 “除......以外( 还 ）” 拓展：in addition to另外，是介词短语，后面跟名词或代 词等作宾语，意为“除……之外（还）”。如：
• A . seems B sounds C looks D feels
• 2.It seems _to___ra_i_n_ ( rain ).
•
互讲互签 __________
• 知识点二
• Computers are expensive . • 电脑是昂贵的。
• expensive 形容词，意为 昂贵的 ，expensive 的比较级是 more expensive , 最高级是 most expensive .
• 拓展 描述物品的价格高用high ，价格低用low . • expensive 意为贵的 ，用于描述物品，反义词为
cheap .
• 口诀 物品有贵（expensive）贱(cheap），价格有高 （high）低（low）。
• E.g. This coat is expensive . That coat is cheap .
辨析; be able to , can 1)be able to 表示客观能力；can 作为情态动词，表示主观能力。 例如 I can swim .
She is able to walk after a few days in hospital .
2式)b为e caobulled
to .
可以用于各种时态can仅用于一般现在时和一般过去时，过去
例如 The baby still couldn’t walk at the age of three .
The baby will be able to walk in a few weeks .
c 练一练
Will you _____ finish your home work this evening?
形容词 比较级和最高级的句子公式：
比较级 形容词物体A + am / are / is + 形比 + than + 物体B.
I am taller than you. Pasta is more delicious than pizza.
最高级 1）物体A + am / are / is 源自文库 the + 形最高级 + 比较范围（of + 人/物， in +地方）.
In addition to English, he has to study a second foreign language. 除英语外，他还得学一门第二外语。
练一练
1.Millie is their youngest child. _B_____, they have a son and a
苏珊比朱迪踢足球踢得好。 Susan is better at football than Judy。 练一练 李宁擅长打篮球。
___L_i__N_i_n_g___is___g_o_o_d___a_t__p_l_a_y_in_g____fo_o_t_b_a_l_l _. ______.
知识点八
Sometimes a long passage has several small parts . 有时候一个长的段落分为几个小部分。
如： —How many times do you watch TV every week？你每周看几次电视？
—Some times．好几次。
4）some time也是名词短语，意为“一段时间”， time是不可数名词，对它提问用how long。
如： She will stay in Beijing for some time．她将在北京呆一段时间。 —How long can I be away？我能离开多久？ —Some time．一段时间。
练一练
1.有时我六点起床。som__e_t_im__e_s_ I get up at six.
2.下周某个时候新同学就要到校上学了。New students will come to school s_o_m__e_ti_m_e__ next week．
3. 他总是花费一些时间来学习英语。She always spends _so_m__e__t_i_m_e__ on her English. 4. 上月我在街道上遇见他几次。 I met him _s_o_m_e__t_im__e_s__ in the street last month.
I am the tallest in the class. Pasta is the most delicious food of the three.
练一练 一. 词形变换。
• Taking a plane is more expensive than taking a train .
练一练 1.The price of this watch is very __h_i_gh_____. 这只表的价格太高了。
2 .The price of this book is not _l_o_w____ for me. 这本书的价格对我来说是不低。 3.This watch is __e_x_p_e_n_s_iv_e_. 这只表很贵。
A can B may C be able to D are able to
知识点七
For example , they may be better than doctors at doing their job . 例如，他们会更擅长做医生工作。
be better at…than 是be good at的 比较级形式，意即“比…更擅长…”的意思。be good at 擅长于......如：
精讲笔记
Unit 3
• 知识点一
• You never seem to be short of pocket money , Lo .
• Lo , 你似乎从不缺零花钱 。
• 点拨：该句为 “主语 + seem(s) + to do sth.” seem 在此作连 系动词， 意为“似乎是......”。
depend on/ upon 依赖于……
E.g. 中学生不应该太依赖父母。 Middle school students shouldn’t depend on/ upon their parents too much. 好的健康依赖于好的食物。
Good health depends on / upon good food.
练一练 1. We are planning to go for a picnic
this weekend , but it _c____
the weather .
A. keeps on B puts on C depends on
2 . 你不能永远依靠你的父母。
_Y_o__u___c_a__n_'_t___d__e_p_e__n_d____o_n____y_o__u_r____p__a_r_e_n_t_s____f_o_r_e_ver .
2) It seems + that 从句， 其中it为形式形式主语。
• E.g. It seems that he is tired .
•
3) seem like + 名词 意为 “看起来像.......”。
• Those boats seem like many ducks .
• 练一练
• 1.It __A___ that you are happy . Why ?
互讲互签 ______________
知识点九 形容词的比较级和最高级的用法：
当两种物体之间相互比较时，我们要用形容词的比 较级；
Your computer is bigger mine.
当相互比较的物体是三个或三个以上时，我们就要 用形容词的最高级。
Jim is the tallest in our class.
形容词和副词比较级和最高级的规则变化： 1. 单音节形容词后面直接加-er或-est tall—taller—tallest cheap --- cheaper --- cheapest 2. 以-e结尾的单音节形容词直接加-r或-st large—larger—largest nice—nicer—nicest 3. 以-y结尾的形容词 ，改-y为-i再加-er或-est busy—busier—busiest heavy--heavier- heaviest 4. 形容词是重读闭音节时，双写最后的辅音字母，再加-er或-est hot—hotter—hottest big—bigger—biggest 5. 多音节形容词前面直接加more或most delicious—more delicious—most delicious beautiful—more beautiful—most beautiful 6. 不规则变化 Good -better—best bad —worse—worst
互讲互签 ______________
知识点三
You may be unaware of them . 你也许无法察觉它们。
be unaware of = don’t realize/know 没有意识到 反义: be aware of = realize/ know意识到
E.g. The student is unaware of his mistake. 那个学生未意识到他的出错误． Are you aware of the danger before you？ 你意识到前面的危险了吗？
练一练
1.his mother _i_s______ _u_n_a_w__a_r_e_ ______o_f__ his business failure .
他的妈妈对公司的倒闭浑然不知。
知识点四
You depend on computers more than you realize . 你比你认识的更依赖电脑。
daughter. A. Instead B. In addition C. At last D. However 2.除了沙拉，我还吃了一些面条。
I had some noodles _i_n__a_d__d_it_i_o_n__to____ 除.......以外（还）
salad .
知识点六
However,one day computers may be able to do a better job than human beings . 然而，有朝一日，电脑也许会比人类工作的更好。