Knowledge Aims

　　To learn the useful expressions and sentence structures in the unit.

　　Ability Aims

　　To enable the students to use these language points both orally and in written form.

　　Emotional Aims

　　To further understand the importance of exploring the future and to realize the value of scientific imagination.

　　Teaching Procedure

　　Step 1 Greeting

　　T: Hello, my friends.

　　Ss: Hello, Miss Wang.

　　Step 2 Reviewing the Grammar: the Past Participle 

　　T: Complete each sentence by choosing the right verb and putting it in the correct form.

intend　connect　mention　carry　lose　fold　frighten　give 1.The room, __________ to the rest of the house by a long passage, was completely empty.

2.He was walking around with the letter __________ in his pocket.

3.Scientific experiments__________ out by students without the teacher's instructions can be dangerous.

4.The mane __________ in the letter was unknown to me.

5.The book, __________ as a surprise for his sister, was lost in the mail.

6.His nephew, __________ at sea when he was fifteen, had been his only relative.

7.__________ by the noise in the night, the girl did not dare sleep in her room.

8.__________ advice by the famous detective, the young lady was no longer afraid.