族群恒定

Is It a Good Idea to Control Population Growth in the World?

Lesson 9 Is It a Good Idea to Control Population Growth in the World? Text What Overpopulation Feels Like We moved slowly through the city in a taxi and entered a crowded slum district. The temperatur

发表于:2018-11-27 / 阅读(155) / 评论(0)

高级口语教程

新标准初中英语九年级(下):UNIT1 World population

[00:01.84]3 Listen and complete. [00:06.70]What have the children done for their project [00:10.30]on population? [00:11.96]Listen and complete their sentences. [00:16.14] [01:04.64]4 Listen and complete. [01:08.78]Listen and fill in the missing info

发表于:2018-12-29 / 阅读(96) / 评论(0)

外研社新标准初中英语九年级

DEVELOPMENT REPORT - World Population by 2050

DEVELOPMENT REPORT - World Population by 2050 By Jill Moss Broadcast: Monday, August 30, 2004 This is Gwen Outen with the VOA Special English Development Report. New research shows that Earth will hav

发表于:2019-01-06 / 阅读(48) / 评论(0)

农业与发展

纯正英语一分钟-population

The worlds population is getting bigger and bigger. Theres a population explosion in some countries. Im not sure if this is good or bad. The Earth can only support a limited number of people. One day, the worlds population will be too big to feed eve

发表于:2019-01-21 / 阅读(123) / 评论(0)

纯正英语一分钟

2007年VOA标准英语-World Population Moving More Toward Urban Areas

By Robert Raffaele Washington 10 July 2007 This week marks the United Nations' annual observance of World Population Day (Wednesday July 11th) -- focusing attention on issues surrounding population growth worldwide. The annual event comes on the heel

发表于:2019-02-02 / 阅读(60) / 评论(0)

2007年VOA标准英语（七月）

VOA常速英语2008年-Palestinian Population Grows by 30 Percent in P

By Jim Teeple Jerusalem 11 February 2008 For the first time in a decade there is a new accurate census of Palestinians living in the West Bank, the Gaza Strip and East Jerusalem. VOA's Jim Teeple has details from our Jerusalem Bureau. The new census

发表于:2019-02-06 / 阅读(32) / 评论(0)

VOA常速英语2008年（二月）

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auto covariance method