7 light passes through a transparent (透明的）sample of asubstance, most of the light remains unchanged but a small part of it has 8 ( differ) wavelengths. This later is 9 (know) as the Raman effect and is useful for physical and chemical 10 (analyse) of gases, liquids and solids, including biological tissue.

　　1. 2. 3. 4. 5.

　　6. 7. 8. 9. 10.

过综合单元综合拓展训练

一、阅读理解

(2016 •哈师大附中月考）

　　Take Action for a Better World: Volunteers Needed

　　Six months' preparation in Denmark: African studies, teamwork combined with social work with risk group teenagers.

　　Six months' community work in Malawi in People to People Projects: Child Aid, HIV/AIDS Figure and Teacher Training.

　　Requirements: 18 years old, hard-working and socially engaged.

　　Please contact us by e-mail: take action @ better world. com.

　　Part-time Work with Exchange Students

　　YOUTH International is a non-profit high school foreign exchange student organization. We welcome teenagers from over 80 countries worldwide and provide host families. The Community Representative is a part-time position designed for people with a strong desire to do something rewarding in the community and earn some extra money.

　　Applicants best suited for this work should enjoy teenagers, have a strong interest in cross-cultural communication, and feel comfortable networking. Full training and support will be provided through branch offices throughout the U. S. Positions available in most states.

If interested, please email:staff@ youth, org or call 888 - 123 -9872.

　　International Summer Job

Hi, I'm an ESI, student in China. I'm 20, quiet and polite, and 1 can speak