2016届高考英语一轮复习配套课件：Unit13Thewaterplanet（必修2，共49张PPT）_高考复习指南

2016届高考英语一轮复习配套课件：Unit13Thewaterplanet（必修2，共49张PPT）

　　从……中获益 3．________________

　　从……到……不等；在一定的范围(程度)内变化 4．________________

　　分解；打破；发生故障 5．________________

　　对……加以利用 6．________________

　　释放，放出 7．________________

　　对……敏感 8．________________

　　召集；打电话 9．________________

　　种类繁多的 10．________________

　　对……做出贡献高频短语 come up with benefit from range from...to break down take advantage of give off be sensitive to call in a variety of contribute to 1．Heat capacity is the amount of energy

　　________________ the temperature of a substance by one degree centigrade. 使某种物质升高1摄氏度所需的能量值叫比热。 2．The density of living creatures is

　　____________________ habitat on earth. (那里的)生物密度比任何其他栖息地的密度更大。 3．The nutrients ___________________________________ quickly become available to other living creatures. 流入海洋里的任何营养物都会马上被其他生物所利用。典型句式 it takes to raise higher than in any other in whatever falls into the ocean 4．Water can absorb and give off a lot of heat without big changes in temperature，______________________________. 水可以吸收或放出大量的热量而其温度不会变化很大，因此能创造一个稳定的环境。 5.If a substance has a higher density，________5,000 kg/m3，it will not float on water.如果某个物质有较高的密度，比方说是5,000 kg/m3，那么它就不会浮在水面上。 thus creating a stable environment say 考点串讲讲练互动 1.benefit (教材P18)Who benefits from using water in this way? 以这种方式用水，谁受益呢？ (1)vi.获益；得益于(后常接介词from/by)；vt.使……受益；对……有利单词精研 ①I am sure everyone will benefit a lot from this activity. 我相信大家都会从这个活动中获益良多。 ②The new railway will benefit the village people. ＝The village people will benefit from the new railway. 新铁路将会对村民有益。归纳拓展 beneficial adj.有益的，有利的，受益的 be beneficial to...对……有益/有利 ⑥This is an agreement that will be beneficial to both parties. 这是一个对双方都有利的协议。 [即境活用] 1．(2016·海淀一模)The new policy will__________the elders a lot that people over 65 can take buses free of charge. A．discount　B．support C．approve