单词:retracting anchor
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[全屏观看] 点击右键- 另存为 可保存这个Flash影片 第五段仿声词根和谐音词根(下) mod模式(模) mod e模型- mod el模特- mod ify更改,修改-com mod ity商品 - commod -词根:方便、便利ac commod ate-给
[全屏观看] 点击右键- 另存为 可保存这个Flash影片 第六段会义的词根(上) calc石头(咔咔) - calc ium钙- calc ulate计算- cal endar日历 dig -挖 dig it-手指 dig ital-数字的 rock- 石头( r- 滚,旋转) u
Pre-Listening Vocabulary scavenger: one that searches for or feeds on discarded or dead matter carcass: dead body of an animal take for granted: to not appreciate someone or something antibiotic: a type of drug that kills off tiny, harmful organisms
Everyday Grammar: Tag Questions Are Easy, Arent They? Have you ever been in a conversation and wanted to check your understanding? That is the time to use a tag question in English. A tag question is a short question added to a statement. The tag inc
Online Virtual World Program a Resource for Farmers 在线虚拟教程传递农业新技术 In a fast-changing world beset by unpredictable climate conditions, farmers cannot afford to ignore new technology. 面对当下变化无常的气候条件,农
By Cathy Majtenyi Nairobi, Kenya 06 December 2007 Kenya's capital, Nairobi, is home to one of Africa's largest dumpsites. A recent United Nations study found that nearly half of the children surveyed who live near the dumpsite suffer from serious med