Runnable接口中定义的方法是（） A: Astart（） B: Binit（） C: Crun（） D: DRunnable（）

If she wants to stay thin, she must make a（）in her diet. A: Achange B: Bturn C: Crun D: Dgo

如果需要同时执行多个语句，可是使用（）命令定义一组要执行的语句。 A: ABAT B: BGROUP C: CRUN D: DEXECUTE

If you see someone fall overboard from a vessel，you should（）. A: Aimmediately jump in the water to help the individual B: Bcall for help and keep the individual in sight C: Crun to the radio room to send an emergency message D: Dgo to the control room for the distress flares