1.whenyouwakeup,youdon'tfeelrefreshed,buttiredandwornoutand_____tofaceanewday.
A.impossible
B.unable
C.powerless
D.incapable
2.Dr.HenryWinkle,inarecentnewspaperarticle_____StressandSleep.
A.titledB.labeledC.entitledD.named
3.Reseachshowsthattheamountofsleepwhichpeopleneedinordertokeephealthy____alot.
A.variesB.differsC.altersD.contrasts
4.Doingsomeexerciseearlyinthedayshouldhelpyoutofeelphysicallyaswellas___tired.
A.spirtuallyB.consciouslyC.mentallyD.emotionally
除了做出答案还请给出个理由,