Unit 2   The environment
                            能力提升题组训练        (A)
Ⅰ. 阅读理解
                                                       (2018 无锡高三三模 )
   Fed up with constantly having to recharge or replace batteries in your ever-expanding electronic
devices? The solution may be just a few steps away.
   “ Energy harvesting     ”promises  to power countless    consumer devices,often    with nothing more than your
body’ s movement or heat.Dozens of companies around the world already offer         ...