单词:ammonium borofuoride
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In business, Optus has called for Telstra's proposals on its participation in the national broadband network to be blocked. Optus' chief executive Paul O'Sullivan says Telstra's current plan for the separation of its retail and wholesale arms wholesa
This is the VOA Special English Education Report. Most American schools have boys and girls in the same classroom. But a public high school in the small, rural town of Boonsboro, Maryland, offers a special program. Top students in the ninth and tenth
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Legislation 法规 A: Has your company been affected much by government legislation? A:政府法规对你们公司影响大吗? B: Yes, we have. We've had to clean up our production process a lot to meet tough government standards. B:是。为了严格
AGRICULTURE REPORT – March 12, 2002: Carbon Dioxide and Crops By George Grow This is the VOA Special English AGRICULTURE REPORT. Increasing levels of carbon dioxide gas in Earth’s atmosphere have
In public high schools across America, large classes containing a mix of both boys and girls are the norm. However, in a move that's drawing high marks from students, one public school in Maryland has decided to buck that tradition. Class experimentA