习题参考答案 Global Warming Threatens Deserts 1.A2.D3.A4.A5.D6.D Out of the ComfortZone 1.C2.A3.B4.D5.A The Gay-Marriage Flap;The Government Is out of Step with Public Opinion 1.C2.B3.D4.A5.B Tragic End to Beslan Hostage Crisis 1.A2.B3.C4.D5.D A World View Must Be Part of School Culture 1.T2.T3.F4.T5.T6.F7.T8.T9.NG10.T Methane in Martian Air Suggests Life Beneath the Surface 1.D2.C3.D4.C5.B Is Heart Surgery Worth It 1.D2.A3.B4.C5.B
习题参考答案 Global Warming Threatens Deserts 1. A 2. D 3. A 4. A 5. D 6. D Out of the Comfort Zone 1. C 2. A 3. B 4. D 5. A The Gay-Marriage Flap; The Government Is out of Step with Public Opinion 1. C 2. B 3.D 4. A 5. B Tragic End to Beslan Hostage Crisis 1. A 2. B 3. C 4. D 5. D A World View Must Be Part of School Culture 1. T 2. T 3. F 4. T 5. T 6. F 7. T 8. T 9. NG 10. T Methane in Martian Air Suggests Life Beneath the Surface 1. D 2. C 3. D 4. C 5. B Is Heart Surgery Worth It 1. D 2. A 3. B 4. C 5. B
Voice of Courage 1.D2.A3.D4.C5.A Investment Fever in Clean-Energy 1.C2.D3.C4.B5.C A Tale of Two Cultures 1.D2.A3.D4.C5.C
Voice of Courage 1. D 2. A 3. D 4. C 5. A Investment Fever in Clean-Energy 1. C 2. D 3. C 4. B 5. C A Tale of Two Cultures 1. D 2. A 3. D 4. C 5. C