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A. Tide: ADVERTISEMENT ON TV B. Time limit: 40 minutes C. Word limit; 120-150 words (not including the given opening sentence) D. Your composition should be based on the OUTLINE below and should start with the given opening sentence: "Today more and more advertisements are seen on the TV screen. " E. Your composition must be written clearly on the ANSWER SHEET. (15 points) Outline: 1. Present state 2. Reasons 3. My comments
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三个相等的负载Z=(40+j30)Ω，接成星形，其中点与电源中点通过阻抗ZN=(1+j0.9)Ω相连接，已知对称三相电源的线电压为380V，则负载的总功率P为______W。
A. Title: THE "PROJECT HOPE" B. Time limit; 40 minutes C. Word limit; 120-150 words (not including the given opening sentence) D. Your composition should be based on the OUTLINE below and should start with the given opening sentence: " Education plays a very important role in the modernization of our country. " E. Your composition must be written neatly on the ANSWER SHEET 2. ( 15 points) Outline: 1. Present situation 2. Necessity of the project 3. My suggestion
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