免费练习英文作文的软件【一】
设计题目（6）英文字母显示1
基本要求：
1．能用数码管自动一次显示出字母L、P、H、F、E、D、C、B、B、C、D、E、F、H、P、L；然后再从头循环，电路上电从L开始显示。
免费练习英文作文的软件【二】
1、运行新安装的'西门子软件。
2.、在主界面工具栏单击Tools--Options。
3、在新打开的窗口中点击General选项，然后再弹出的的对话框中选择Chinese即可将English改为中文。
4、最后点击0K，软件会自动关闭，然后再打开就是中文。
免费练习英文作文的软件【三】
软件配置管理一是对软件实体进行管理，二是对软件的研制过程进行管理。大型国有企事业单位在软件研制的过程中，基本上都采用了各种软件版本工具来确保软件的质量。即便如此，也不一定能够确保软件技术状态的正确性。这是由于对软件研制过程中变更管理做得不到位造成的。因此，需要采用技术手段对软件变更过程进行有效管理，以保证软件质量。
免费练习英文作文的软件【四】
英语改写句子练习题（适合初中生）
根据上句完成下句，使两句话的意思相同或相一致，每空一词
1. Nancy is too young to dress herself.
Nancy is not _____ _____ to dress herself.
2. My watch doesn't work well.
There is ____ _____ _______ my watch.
3. Jane doesn't go to work by bus any longer.
Jane ____ _____ _____ to work by bus.
4. It took Mary two weeks to prepare for the exam.
Mary _____two weeks____ ______ for the exam.
5. It seems that they have known each other.
They seem to _____ _____ each other.
6. "My grandpa doesn't like coffee or coke" said Bob
Bob said that _____grandpa liked _____coffee _____coke.
7. Cao Fei joined the League three years ago.
Cao Fei _____ ____ _____ the League for three years.
8. I prefer walking there to going by bus.
I prefer to walk there ____ _____ going by bus.
9. -Thank you very much. -You're welcome.
- ____ a lot. -Not at____ .
10. Kitty does well in English.
Kitty ____ ____ ____ English.
11. They realized Hainan was a beautiful place after they reached there.
They____ realize Hainan was a beautiful place_____ they reached there.
12. We will have to finish the work hardly if you don't help us. We can't finish the work _____ _____ ______
13. My dictionary isn't so thick as yours.
My dictionary is _____ than yours.
14. Could you tell me where the East Street Hospital is? Excuse me, ____ is the _____ to the East Street Hospital?
15. The book is exciting to read.
It is ____ _____ read the book.
16. Jack's mother asked him, "Have you packed your things?" Jack's mother asked him ____ he ____ packed his things.
17. She likes singing better than dancing. She ____ singing ____ dancing.
18. Remember to ring me up as soon as you get to Nanjing Make ____ to give me a ring as soon as you _____ Nanjing.
19. They couldn't catch the train because of the heavy traffic. The heital?
15. The book is exciting to read.
It is ____ _____ read the book.
16. Jack's mother asked him, "Have you packed your things?" Jack's mother asked him ____ he ____ packed his things.
17. She likes singing better than dancing. She ____ singing ____ dancing.
18. Remember to ring me up as soon as you get to Nanjing Make ____ to give me a ring as soon as you _____ Nanjing.
19. They couldn't catch the train because of the heavy traffic. The heavy traffic _____ them from _____ the train.
20. My brother has been away from home for two days.
My brother _____ home two days _____ .
21. Li Lei decided to move to Canada when he was thirty.
Li Lei made a _____ to move to Canada at the _____ of thirty.
22. Jim was too careless to pass the exam last term.
Jim was not_____ _____ to pass the exam last term.
23. If you don't hurry up, you can't catch the train.
Hurry up, _____ you may _____ the train.
24. Yang Li wei said to us, "I'm going to visit your school tomorrow. " We were all pleased.
We were all pleased when we heard Yang Li wei_____ visit_____ school the next day.
25. This is the most interesting film I have ever seen. I have ____seen _____ an interesting film before.
26. I was late for school because of the traffic accident. The traffic accident _____ me _____ getting to school on time.
免费练习英文作文的软件【五】
为了鼓励人们去外面放松，现在有越来越多的公园免费入场。人们从中受益，尤其是在经济困难时期。随着自由的进入，更多的人将有机会为家庭负担得起的假期，享受自然景观的乐趣。
公园里的新鲜空气和景观对人们有好处。然而，太多的'人蜂拥到公园可能不是那么好的公园。
例如，一些游客把垃圾扔在身后，这可能会造成环境污染。和人们的烧烤和冲压将损坏在公园草地和其他绿色植物。
作为一名大学生，我赞成免费进入公园。免费进入公园不仅节省了人们的开支，而且使事情变得更加公平，人们喜欢贫困，学生也可以经常去公园。另一方面，在欣赏自然之美的同时，也要保持对环境的保护。
