________ energy is generated from natural resources—such as sunlight, wind, rain, tides and so on.
| A．Recyclable | B．Non-renewable |
| C．Rechargeable | D．Renewable |
There’s a ________ in our office that when it’s somebody’s birthday，they bring in a cake for us all to share. (2011·山东，34)
| A．tradition | B．balance |
| C．concern | D．relationship |
Always remember to put such dangerous things as knives out of children’s ________. (2011·四川，13)
| A．touch | B．sight |
| C．reach | D．distance |
Giving up my job to go back to fulltime education was a big ________，but now I know it was the best decision I ever made. (2011·湖北，22)
| A．project | B．commitment |
| C．competition | D．ambition |
“Tommy，run！Be quick！The house is on fire！” the mother shouted，with ________ clearly in her voice. (2011·湖北，21)
| A．anger | B．rudeness |
| C．regret | D．panic |
He will come to understand your efforts sooner or later.It’s just a matter of ________. (2012·四川，15)
| A．luck | B．value |
| C．time | D．fact |