单词:enhanced spectrum lines
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Section A Directions: In this section, you will hear 10 short conversations. At the end of each conversation, a question will be asked about what was said. Both the conversation and the question will be spoken only once. After each question there wi
Broadcast: May 12, 2003 By Jill Moss This is the VOA Special English Development Report. Each year, millions of people in Bangladesh drink ground water that has been polluted by naturally high levels
This is the VOA Special English Agriculture Report. Pieter Hoff used to export lilies and tulips from the Netherlands. He retired from the flower export business seven years ago. Now, he is trying to help people grow trees and plants in the desert --
By Challiss McDonough Cairo 21 December 2007 Analysts and activists in the Middle East say the year 2007 in some Arab countries was marked by backtracking from the tentative moves toward more democratization and openness that had been seen in 2005 an
Why lips go dry? 为什么嘴唇会干呢? Lets start by reviewing the ways in which the surface of our lips is different from the surface of the skin on the rest of our bodies. Basically, our lips are made of the same mucus membrane that coats t