【正文】
theories of the British economist Thomas Robert Malthus(17661843), which state that population increases faster than the means of subsistence unless war, famine, or disease intervenes or efforts are made to limit population. Text Comprehension Excise Ⅱ on Page 21 1. T 2. F 3. T 4. T 5. T 6. F Detailed reading Para 1 Language Points ?snake :v. move in a twisting way The train was snaking its way through the mountains. ?Some tired velvet ropes : some slackened velvet ropes ?inch: n. 英寸 v. move very slowly and carefully Translate: His legs are too long for his inches. 就他的身高而言 , 他的腿太長