Directions: In this part, you are required to write a composition entitled On Noise Pollution in no less than 200 words. Your composition should be based on the following outline:
1. The harmfulness of noise pollution and its source.
2. What measures have been taken by our government to stop noise pollution
3. Your suggestions as to how to control noise pollution.

A．the Aleuts’ loyalty to their language and American failure to understand it
B．Russian and United States treatment of Alaskan inhabitants both before and after 1867
C．how the Czarist Russian occupation of Alaska created a written language for the Aleuts
D．United States government attempts to persuade the Aleuts to use English as a second language