小玲用下面的方法来测量学校教学大楼AB的高度: 如图.在水平地面上放一面平面镜.镜子与教学大楼的距离EA=21米.当她与镜子的距离CE=2.5米时.她刚好能从镜子中看到教学大楼的顶端B.已知她的眼睛距地面高度DC=1.6米.请你帮助小玲计算出教学大楼的高度AB是多少米(注意:根据光的反射定律:反射角等于入射角).10分 查看更多

 

题目列表(包括答案和解析)

完成句子请你根据汉语提示完成句子,每空词数不限。

1.如果你多运动,你就会比以前瘦。

If you                     , you will be thinner than before.

2.滑冰马拉松已经进行了五个小时。

The skating marathon has                        five hours.

3.他们在学习语言方面有困难。

They'll                         language.

4.当你插队时,人们会不高兴。

People won't be happy when you                           .

5.许多中国人用不同的方法来尽力提高他们的英语。

Many Chinese people try           their English               .

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  小博士:时间名词前可以用的介词在初中阶段学的主要有5个,可以用下面的速记歌来帮助学习。

  年月之前要用“in”,遇到日期却用“on”。

  上午下午又是“in”,某日上下午“on”帮忙。

  正午、晚上用“at”,黎明、午夜也相宜。

  时钟之前也是“它”,差分过秒不用“它”

  说“差”要用介词“to”,说“过”要用“past”。

  多说多练牢牢记,学好英语本事大。

记住了吗?那么就请信心十足地动手做下面的介词填空练习吗:

1  My birthday is ________Dec. 1st.

2  He was born ________ 1991.

3  The People's Republic of China(中华人民共和国) was founded (成立) ________ October 1st 1949.

4  It was happened(发生) ________ the morning of a cold day.

5  -Do you have time ________ Sunday evening?

   -I'm afraid not. But I am free ________ the afternoon.

6  I usually go to bed ________ 9:00, but ________ weekends, I'm later.

7  New school year begins ________ September.

8  You can get cheap things ________ this time of year.

9  We enjoy ourselves ________ Children's Day.

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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.

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   李芳是第四中学的一名优秀老师,作为记者的你对她进行了一次采访。采访结束后,你就采访内容写了一篇关于李老师的报道。请根据所给要点,完成报道。第五点写1—2句话。
1. 李芳是南京人,在第四中学教英语,来无锡已经5年了。热爱学生,致力于教育事业。
2. 她总是用不同的方法使她的课生动有趣。课后经常耐心地给学生解释难题。
3. 她不仅是个好老师,而且也是一个志愿者。为支持希望工程,3年前她去我国的贫困地区教孩子们英语。
4. 她将尽力…
(志愿者:volunteer  希望工程:Project Hope)

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国有国法,校有校规。在你的学校中一定有很多规章制度来规范中学生的行为,使学生们都能健康成长。请你写一篇小短文向大家介绍一些校规、校纪,如能用自己的观点来评价就更好了。(80词左右)开头已给出。

What rules do you have in your school?

There’re a lot of rules in our school.

____________________________________________________________________________________________

____________________________________________________________________________________________

____________________________________________________________________________________________

____________________________________________________________________________________________

____________________________________________________________________________________________

 

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