Unit Three I Teaching aims: 1. to learn the new words and expressions; 2. to improve reading skills 3. to analyze the structure of the text II.Teaching focus: 1.key words:
Basic Structure Fiqure 15.1 shows the series of steps used to compute a person's tax liability. Step 1: Compute Adjusted Gross Income (AGI) Step 2: Convert AG/ into taxable income by subtracting exemptions and deductions Step 3: Compute tax due by applying a rate schedule, and subtracting tax credits
Quick Look at Welfare Spending .\Welfare\ in the United States is a patchwork of dozens of different programs. All welfare programs are means-tested-- only individuals with sufficiently low income are eligible. Programs often have other requirements related to family structure and assets
1. Cells need energy to do all their work To generate and maintain its highly ordered structure (biosynthesis of macromolecules). To generate all kinds of movement. To generate concentration and electrical gradients