九年级英语第十八单元Planting trees 植树

九年级英语第十八单元Planting trees 植树,标签：初三下册英语教案,初中英语教案,http://www.67xuexi.com
都没偷走，可电力公司向我们要去了523美元 ! ”

【 思维体操 】

你能猜出下列谜语吗 ?

1 . What letter is a drink ?

2 . What letter is a part of the face ?

3 . What letter is an insect ?

4 . Which letter goes all around an is land ?

5 . What changes a pear into a pearl ?

6 . What is the most important thing in the world ?

7 . What is that which is seen twice in “every day”and four times in“every week”yet only once in“a year” ?

8 . Why is the letter B like fire ?

9 . Why is the letter F like a cows tail ?

10 . What part of London is in France ?

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11 . Why is the letter G like the sun ?

12 . Why is the letter T like an is land ?

13 . Why is U the happiest letter ?

14 . Which letter is most useful to a deaf woman ?

15 . What letter in the alphabet and travel the greatest distance ?

16 . What is the end of everything ?

17 . In what way are the letter O and E neatly keep house a like ?

18 . What does the letter B do for boys as they grow up ?

19 . Why is a sewing machine like letter S ?

20 . Why is a false friend like the letter P ?

1 . T ( tea ) 2 . I ( eye ) 3 . B ( bee ) 4 . C ( sea ) 5 . L 6 . The letter E , because it is first in everything and everybody . 7 . Letter E . 8 . because it makes oil boil . 9 . Because it is at the end of beef . 10 . The letter N . 11 . Because it is the center of light . 12 . Because it is in the middle of water . 13 . Because it is always in the midst of fun . 14 . The letter A , because it makes HER HEAR , 15 . The letter D , because it goes to the end of the world 16 . The letter G . 17 . Both are always in order . 18 . As they grow older it makes them bolder . 19 . Because it makes needles needless . 20 . Because he is the first in pity , but the last in help .

三、智能显示

【 心中有数 】

单元语法发散思维

※ 含有情态动词的被动态

含有情态动词的被动结构是：情态动词 + be + 及物动词的过去分词。如：

We must find out the truth . → The truth must be found out .

These machine parts may be needed in our work .

Should an article be used here ?

These stairs are very dangerous . They should be repaired .

This lesson must be gone over again .

※ 被动语态与系表结构的区别

动词 be + 过去分词这个结构并不定都是被动语态结构，有时它可能是 be + 过去分词 ( 作表语 ) 的系表结构。因此：

be + 过去分词 ( 被动语态 ) 与 be + 过去分词 ( 作表语 ) 这两种结构的主要差别是：

①被动结构表示一个动作，带表语的结构表示主语的特点或所处的状态。如：

The library is now closed . ( 系表结构 )

It is usually closed at 6 . ( 被动结构 )

②被动结构后面可带 by + 实施动作者，而系表结构一般没有。如：

The glass is broken . ( 系表结构 )

It was broken by my sister . ( 被动结构 )

③“系表结构”中的过去分词可以被 well , very 等副词修饰，而“被动结构”中的

过去分词则一般不能如此。如：

The book is well written . ( 系表结构 )

The book is written by Li Ming . ( 被动结构 )

④被动结构可以用于许多时态之是，而系表结构只用于一般现在时和一般过去时这两种时态。如：

The work is being done . ( 被动语态 )

The work is done . ( 系表结构 )

⑤系表结构有主动意义，而被动结构只有被动意义。被动结构的句子往往有表示动作的时间、地点、方式、目的等状语，而系表结构一般没有这样的状语。如：

The photo was taken last month . ( 被动语态 )

The photo was well taken . ( 系表结构 )

【 动手动脑 】

单元能力立体检测

1、 用方框中词的适当形式填空：

tie , neither…nor , so that , stop…from , must be work on , thanks to , a third , next to , be covered with , millions of

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