微生物群落

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(97) / 评论(0)

外研社新标准初中英语九年级

VOA标准英语2013--Mali Security Measures Hinder Humanitarian Access to Civilians

Mali Security Measures Hinder Humanitarian Access to Civilians Hannatou Bocoum made it to Bamako Saturday, 10 days after her town, Konna, became the first to fall to Islamist rebels in this most recent offensive. The town was later bombed by the Fren

发表于:2019-01-13 / 阅读(27) / 评论(0)

VOA标准英语2013年(一月)

科学美国人60秒 SSS 2014-07-02

This year, the number of mobile phones on cell networks is expected to surpass the Earth's population. More people now own cell phones than actually have access to working toilets. James Meadow, a microbial ecologist at the University of Oregon. Hidd

发表于:2019-01-20 / 阅读(36) / 评论(0)

2014年Scientific American(七)月

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(125) / 评论(0)

纯正英语一分钟

2007年VOA标准英语-UN Conference Aims to Reduce Threat of Biologic

By Lisa Schlein Geneva 20 August 2007 Experts attending an international conference are calling for quick action to reduce the threat posed by biological weapons. Participants attending the week-long meeting at the United Nations in Geneva say the so

发表于:2019-01-31 / 阅读(59) / 评论(0)

2007年VOA标准英语（八月）

俄科学家研制出"不老药"

俄罗斯莫斯科的一位生物能量学教授近日宣布，他已研制出一种能够有效延缓衰老的不老药，并有望于几年内上架销售。这位科学家用40年的时间研制出一种抗氧化剂，能够有效抑制氧分子对人

发表于:2019-02-06 / 阅读(83) / 评论(0)

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at the construction site