单词：dividing stripe greening
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UNIT FIVE Instruction [00:03.42]Number 1 Look at the eight pictures below. [00:08.52]You will hear six people,each one explaining how to use one of these machines. [00:14.68]Write down th name of the machines in the order of the description. [00:19.7
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Researchers have identified a molecule that attracts an insect which carries citrus greening disease. 研究人员确认一种分子可吸引携带黄龙病病毒的昆虫。 This development is expected to help farmers control a disease that has des
2017年VOA慢速英语(十二)月
Educators integrate environmental action into lesson plans Shelley Schlender | Oakland, California 09 February 2010 Photo: Head-Royce School Head-Royce students grow organic vegetables as well as native plants and trees in the school's 370-square-met
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Today, March 12, is the 33rd Arbor Day in China, when the whole nation is involved in the planting campaign. Official statistics show that more than 189 million trees have been planted voluntarily by residents of Beijing over the past 30 years, makin
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英语六级写作如何写好主题句 1关于写主题句的建议 1）要写合乎语法的句子 Example 1： Two causes of the American Civil War． 这个句子是个不完整的句子，不合乎语法，因此不能用作主题句。 Example
四六级写作指导
Explanation: The U.S. flag is often called the Stars and Stripes, because those words describe what the flag looks like. The flag has 13 stripes, which are horizontal lines (or lines that run from left to right). The stripes alternate between red and
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