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Unit 13---14 Mainly REVISION o 1 The water molecule is made up of two h___________ atoms and one o________ atom. 2 Water is a liquid at room temperature, but it turns into a s________ when the temperature drops below 0℃ and into a gas when heated above 100℃. 3 The soil can a__________ water, so it helps to keep water from flowing away. 4 Marine scientists study the r_____________ between living creatures and their habitat in the ocean. 5 Life in the oceans appears in different sizes, r__________ from the tiniest fish all the way up to the biggest blue whales. 6 Oil has a density lower than 1,000 kg/m3, so it will f_____on water. Language Study solid absorb hydrogen oxygen float relationship ranging give/set an example to sb 给某人树一楷模 be absorbed in sth. range from…to…: vary from…to… all the way all the time take (full) advantage of make(full) use of take one’s time: not hurry; use as much time as one needs 专心于 从……到……不等；在一定的范围（程度）内变化 一直；始终 （充分）利用某物 不匆忙；不急；用时不限 play a trick on sb. ：play a joke on sb. be measured in … put sb. in prison“（in还可用into替换） 相似短语还有throw…into prison; send…to prison be active in 。“on the march”译作“” | 
