按要求改写句子（）

●试题二

对文法G[S]：S→a|∧|(T)；T→T，S｜S；回答问题1～问题3。

【问题1】

对文法G进行改写，然后对每个非终结符写出不带回溯的递归子程序。

【问题2】

经改写后的文法是否是LL (1) 的？指出它的预测分析表中 (1) ～ (3) 处的内容。

【问题3】

说明输入串(a，a)是否为G的句子。

__________________________________________________________________ 改反问句: ________________________________________________________________________ 改感叹句: ________________________________________________________________________

They are going to look after the cat. (用What针对划线部分改写句子)

阅读下面对话，根据其内容写一篇有关Linda帮助祖父搬家的短文。要求：

1．所写短文应与对话相关内容意义相符，涵盖其要点；

2．用你自己的语言表达，可改写对话中的句子，但不可照抄原句。注意：

1．词数80词左右，开头已为你写好；

2．请将短文直接写在答题卡上的相应位置。

John: Hi， Linda. I‘ m thinking of going camping this weekend with Mary and tom. Will you join us？

Linda: I‘d like to， but I‘ m going to help my grandfather. He‘s moving out this weekend. John: Oh， is he？ That‘s an important thing. Where‘s your grandfather living now？

Linda: In a two-story house here at Morris Plains. He doesn‘t like it. It‘s too big for him.

John: What‘s the new house like， then？

Linda: It‘s a small apartment. In fact， it‘ s the smallest one here in the neighborhood（居民区）.

John: Is it near your house？

Linda: Yes， not even a mile away. He wants to be closer to me， you know.

John: Sounds like a perfect home for him. It must have taken your grandfather a long time to find the apartment.

Linda: Actually， I found this apartment for him. A year ago， he started to think about moving. He wanted a smaller apartment. He also wanted there to be a supermarket and a hospital in the neighborhood.

John: A smaller apartment and closer to his granddaughter. So， your grandfather must be glad now.

Linda: You‘re right， John.

It's three weeks since I last had a good night's sleep.（用现在完成时改写句子)

按要求改写下列句子。

1. My uncle exercisesevery morning.（就划线部分提问） ______ your uncle exercise？ 2. We have a Chinese lesson on Monday, Wednesday, Thursday and Friday.（同义句） We have Chinese lessons ______ ______ a week. 3. Mary often has a cup of tea after dinner.（否定句） Mary ______ has a cup of tea after dinner. 4. There is a watch in the box.（改为复数形式） There ______ in the ______. 5. Hu Wenusuallyeats fruit and vegetables for breakfast. (就划线部分提问) ______ Hu Wen ______ fruit and vegetables for breakfast？ 6. Daniel plays basketball for about 30 minutes every day. (改为一般疑问句，并作肯定回答) —______ Daniel ______ basketball for about 30 minutes every day？ —______, he ______. 7. After school they usually do sports activities. (改为否定句) After school they ______ sports activities. 8. That is a glass on the table. (改为复数句) ______ on the table. 9. Of all the fruits Kitty likes oranges best. (改为同义句) Oranges are Kitty's ______ ______. 10. Every morning Daniel exercises forforty minutes. (就划线部分提问) ______ Daniel ______ every morning？