【正文】
ust we do to protect the oceans? We must keep them clean. We must stop polluting them. Unit9 sea water and rain water by Hidy stream river lake sea ocean Where can we find water ? We can find water in the… 4341[39。kw?:t?] earth Land: Water: three quarters a quarter 4143a quarter three quarters Almost _________________ of the Earth is land. Almost _______________of the Earth is water. starfish sea horse beautiful A guessing game :Who am I? dolphin intelligent clever / bright whale large shark dangerous / fierce dangerous animals Sharks are one of the most dangerous animals. intelligent animals Dolphins are one of the most intelligent animals. word box ? quarter 四分之一 ? quarter half three quarter(四分之三) ? intelligent 聰明的 ? intelligent animals ? interesting 有趣的 ? interesting animals ? important 重要的 word box ? pollute 弄臟;污染 ? cover 覆蓋 ? if 如果 ? shower 淋浴 ? take a shower 洗淋浴 ? crop 農(nóng)作物 ? use 使用 word box ? save 節(jié)省;節(jié)約 ? waste 浪費(fèi) ? fix 修理 ? dripping 滴水的;漏水的