书面表达

假如你是东北虎保护协会会员，请你以东北虎的名义给人类写一封公开信，呼吁人类保护东北虎。信得内容包括以下内容：

你们大量砍伐森林和树木，我们的食物减少，居住地缩小。

你们大量捕杀我们，买用虎皮制的衣服，用虎骨制药。

希望你们采取以下措施保护我们，比如：扩大我们的保护区，停止将森林变为农田，……

如果你们还不采取措施，将来地球上将没有东北虎了。

注意：1.短文必须包括以上内容。

2.短文用第一人称写。

3.字数80个词左右，开头已给出，不计入字数。

Dear Man,

I’m a tiger of northeast of China. I’d like to have a talk with you. We live happily in the forest for thousands of years, and then you come!  But now we are in danger.

Yours

A worried tiger.

书面表达
假如你是东北虎保护协会会员，请你以东北虎的名义给人类写一封公开信，呼吁人类保护东北虎。信得内容包括以下内容：
你们大量砍伐森林和树木，我们的食物减少，居住地缩小。
你们大量捕杀我们，买用虎皮制的衣服，用虎骨制药。
希望你们采取以下措施保护我们，比如：扩大我们的保护区，停止将森林变为农田，……
如果你们还不采取措施，将来地球上将没有东北虎了。
注意：1.短文必须包括以上内容。
2.短文用第一人称写。
3.字数80个词左右，开头已给出，不计入字数。
Dear Man,
I’m a tiger of northeast of China. I’d like to have a talk with you. We live happily in the forest for thousands of years, and then you come!  But now we are in danger.
                                                                              
                                                                              
                                                                              
                                                                              
                                                                              
                                                                              
                                                                              
Yours
A worried tiger.

用am，is或are填空，然后总结其用法。

(1)That's my father and this ________ my mother.

(2)This is my cousin and that ________ my sister.

　　(3)－________she your sister?

　　－Yes, she ________.

　　(4)－And ________ he your brother?

　　－No. He's my friend.

　　(5)－________ Guo Peng your brother?

　　－Yes, he ________.

(6)I ________ his friend. I'm not his brother.

　　(7)－________ you Jack's brother?

　　－No, I'm not. I ________ his cousin.

(8)These ________ my grandparents.

　　(9)－________ this your aunt?

　　－Yes, it ________.

(10)These ________ my parents, those ________ my grandfather and grandmother.

(11)These are my brothers. They ________ Jeff and Jack.

(12)They aren't my sisters. They ________ my friends.

am用于第一人称单数I之后；is用于第三人称单数ge，she，it以及相当于he，she或it；are用于第二人称或所有人称的复数，表达“是”的意思。可用下面的口诀来帮助记忆：“我用am你用are，is用于他她它，复数全都要用are”。

I am…可以缩写成I'm，he is可以缩写成 he's，she is可以缩写成加she's，it is可以缩写成it's，而we are，you are，they are可分别编写成we're，you're，they're。am，is，are的否定形式是在后面加not，如：am not，is not，are not。is not通常缩写为isn't，而are not通常缩写为aren't。如：

(1)I'm Alice, I'm not Mary. She's Mary.

(2)This isn't my brother. He's my cousin.

(3)They're my brothers. They aren't my friends.