2014云鹏教育英语七年级上。
unit3 the earth
单元目标。1.学会使用可数名词和不可数名词。
2.掌握there is/are的基本用法。
3.掌握本单元的重点词汇。
知识清单。核心词汇。
earthquiz
patternprotect
reportpart
landfield
largeprovide
pollution(名burn
energypollute(动。
groundkill
importantfact
kilometreown
catchproblem
重点短语。protect the earth
provide...with
make energy
put ..into
stop doing sth
throw away
常考句型。are forests and rivers, mountains and fields.
(地球上)有森林和河流，山脉和田野。
用法]there be结构常用来表示“某时或某地有某人或某物”，其形式为“there be+名词+地点状语+时间状语”，其中be动词为谓语动词，它的形式应与后面作主语的名词保持人称和数的一致。
举例]there is a desk and four chairs in the room.
房间里有一张桌子和四把椅子。
there are four chairs and a desk in the room.
房间里有四把椅子和一张桌子。
辨析]there be 结构与h**e
there be 结构强调“存在关系”；而h**e强调“所属关系”如：
there is a boat in the river.河里有一条船。
i h**e a nice watch. 我有一块好看的手表。
表示“有”时，there be 结构不能与行为动词h**e连用，如“下周三有个班会”应译为“there is going to be a class meeting next wednesday.”,而不能译为“there is going to h**e a class meeting next wednesday.”。
在表示“附属于某物/某地的东西”时，there be 结构可以与h**e替换。
there are four windows in the wall of the classroom.
the classroom has four windows in the wall.这个教室的墙上有四扇窗户。
[运用]选择最佳答案。
)attention, please. there___a football game between china and korea this evening.
going to be been h**e
plants need light and water.所有的植物都需要阳光和水。
用法]need 在此为实义动词，可用于各种句型，有人称和数的变化。need也可作情态动词，但仅用于否定句或疑问句中，后接动词原形。
举例]does he need to hand in his examination ***** now?他需要现在交卷吗？
--must i finish my homework now?
--no,you needn't.
--我必须现在完成我的家庭作业吗？
--不，不需要。
运用]1)you don't need to try to explain.(英译汉)
2)你需要现在去吗？
3. there are also many people like you and me on earth. 地球上也有很多像你我一样的人。
用法]also副词，意为“也”。
举例]tom has been to canada. harry has also been to canada.汤姆曾去过加拿大，哈利也曾去过。
[辨析]also,too和either
三者都表示“也”，其中also和too可以互换，都可以用于肯定句和疑问句，但位置不同。also不用于句末，常放在实义动词前，be动词、连系动词后面；too常放在句末，too前面要加逗号。either只用于否定句。
举例]she plays the piano and sings, too.
she plays the piano and also sings.
她会弹钢琴，也会唱歌。
i don't like the pink one, i don't like the red one either. 我不喜欢那个粉色的，也不喜欢那个红色的。
运用]用too, also或either填空。
1)he can play the guitar and sing
2)my clothes are nice,your clothes are___nice.
3)i didn't sing that song___
4)he sings and___works sometimes.
4. it is important for us to protect the earth for our future.为了我们的未来，保护地球很重要。
用法]it 为形式主语，真正的主语为不定式to protect the earth。动词不定式作主语，可以放在句前，也可以放在句后。常常用it 作形式主语，放在句子的开头，真正的主语动词不定式短语放在句子后面，在汉语翻译时要符合汉语习惯，仍然要将它放在句子面前。
谓语动词用第三人称单数形式。
举例]it is necessary to study hard.=to study hard is necessary.
努力学习是有必要的。
运用](1)it is not easy to learn english well.(英译汉)
(2)早起床是个好习惯。
第一课时 reading ι
ι. 根据句意及首字母提示完成单词。
went for walks together in the f
want a l___box; this is too small.
3. it is important for us to p___the earth for our future
4. plants absorb(吸收)e___from the sun.
shouldn't p___our environment.
.选出可以替换划线部分的选项。
) provide the children with food and books.
) is a lot of pollution.
of d. a little
) reports the theft to the police.
information about
) stove is burning.
fire danger
)5. the pollution pollutes the earth and kills animals
and plants.
into living the death of
ш. 单项选择。
( )1. it's important___us to study hard.
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