計算障礙(2)
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用太陽能做飯 (2)
第三種太陽能灶是拋物面式爐具。這種爐具有著圓形的墻壁,直接將太陽光聚焦到爐具的底部。 摘要:Sacramento,KenyaThe food is inside a separate container of plastic or glass that traps heat energy. Peo...
意大利和利比亞的“友誼協(xié)約” (2)
意大利是利比亞最大的貿(mào)易合作伙伴,意大利百分之二十五的石油進(jìn)口都來自這個北非國家。 提示:BerlusconiPrime Minister Berlusconi said the agreement should put an end to 40 years of discord and is a c...
音樂教育計劃(1)
“Imizamo Yethu”是參加胡特灣音樂節(jié)項(xiàng)目的兒童的家園。它給予那些孩子欣賞音樂的機(jī)會。Hout Bay is a beautiful place, 50 miles outside of Cape Town. Today, it has all kinds of socio-economic groups a...
孩子的零用錢(2)
許多孩子是在收到零用錢后才第一次認(rèn)識到錢的價值...Paying children to do extra work around the house, however, can be useful. It can even provide an understanding of how a business works. Allowance...