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P82 错,对,错, 错,对, 错,对, 对,错,对,
【2】不知
P441. Water is the surce of life, without food,we can live for several weeks, but there's no water ,we a few days later would die dehdration. We body more than two thirds of the part is water.2. Don't stay qpen , and left to turn off the tap. Wash your hands with water to boil small points. Face and brush your teeth to avoid using washbasin and caps.3.Don't stay open faucet, people walk away to remember to turn off the tap. Wash your hands with water, try to open a small dot, face and brush your teeth can use basin.45页,I feel interested because i have a dog I feel relaxed because i finished my homeworkI feel pleased because i will go to travelI feel bored because i losed my phoneI feel worried because i losed my phoneI feel annoied because someone stole my walletI feel frighten because i am alone at homeI feel disappoint because i lost the game左边2.before you travel,you need to take enough money3、before you travel,you need to check local material4.before you travel,you need to bring clothes右边2.you need the local language3.at the airport,remember not to look around46页自己写P47一: Liquid solid gas ↙ ↘ ↙ ↘ ↙ ↘ rain water ice hail water vapor fog二:The earthThe universeP48shadow can change according to the sun.In the morning and at nightfall,it is long.In the middle of the day,it is short and dack.How interesting my shadow is.P49 (一)1. use shopping bags 2. throw rubbish 3. ride bikes 4. save water 5. plant treesP49-50 (二)only During energy more boys Drinking Exercise least relaxed payP50 Early to bedGet up early to exercise every dayTo eat less fatty food and more milk.Do not eat too many sweet can cause obesity.In the case of hot weather drink plenty of water.Can not drink beverages,drink plenty of water.In the winter changes according to the right to add their own clothes to not cath a coldThe eyes will not watch TV much,so choose the appropriate time watching TV.Playing games in not good for mental and physical,we need to less play.51(1)自己写·····P51.(二)use early lives idea be himself built worked hoped until