2 . Vitamin D helps our bodies make a special chemical，and this special chemical，________，affects our brains，making us feel happy.

A．in turn

B．in particular

C．in advance

D．in short

3 . 选词填空

appoint；announce；influence；cons constant；destroy；advanced；awareness

1. You needn’t book the ticket in_____________________.
2. People around the world should be_____________________ of the real situation of water shortage.
3. The flood damaged the village, without completely_____________________ it.
4. It is a highly_____________________ magazine that is widely read by teachers.
5. Mike_____________________ manager of the engineering department to take the place of Sam last week.
6. They made several_____________________ of the summer camp and posted it on the Internet so that more students can take part in it.
7. Mike has to_____________________ surf the Internet to get more professional knowledge.

4 . 英译汉
1. be respected by others
2. at the same time
3. take place
4. apologize to sb. for sth.
5. exchange students
6. fill in the form
7. at the entrance
8. stay at home
9. in advance
10. in addition

5 . I'd advise buying your tickets __________ if you want to travel in August.

A．in all

B．in advance

C．in addition

D．after all

6 . Parents _____ should act as good examples for children.

A．in advance

B．in detail

C．in particular

D．in panic

7 . 选词并用其适当的形式填空。

in advance             hide from               consist of            start with          justify oneself in conclusion        apart from               apply to             be based on        be independent of

1. To protect the witness, he now has a big secret to_________ the public.
2. The price you set should __________ the actual value of the goods and our customers’ needs.
3. Nowadays, it seems that more young people have their own lifestyles prefer to ________ their parents.
4. The committee will __________ twelve members, including a lawyer and two professors.
5. Never _______ for impoliteness that you showed at the dinner. Instead, you should make an apology.
6. The new teacher plans to give an open class next week by__________ an English song.
7. _______ English, the physics professor form the key university study Russian and Spanish.
8. Regardless of what job you are doing, there is a professional skill that you can _____ your own work.
9. You must notice your boss at least two days __________ if you have any leave plan.
10. At the end of his speech, he said, “________, let me take the opportunity to thank all of you for

8 . To get tickets to celebrate the Spring Festival with your family, you have to book_______advance.（根据句意填空）

9 . It's a good idea to make preparations for it______________advance.(用适当单词填空)

10 . You should book your flight about two or three weeks _____ so that you can enjoy a lower price.

A．in particular

B．in advance

C．in return

D．in fact