m to 49 badly at work. 50 the daily cycle of sleeping and 51, we also have other cycles which 52 longer than one day. Most of us would 53 that we feel good on some days and not so good on 54; sometimes our ideas seem to flow and at other times, they 55 do not exist. 36.A. anxious B. able C. careful D. proud 37.A. inside B. around C. between D. on 38.A. movement B. supply C. useD. rise 39.A. showing B. treating C. making D. changing 40.A. invention B. opinion C. story D. idea 41.A. difficult B. exciting C. surprising D. interesting 42.A. from B. byC. over D. during 43.A. dull B. tired C. dreamy D. peaceful 44.A. regular B. excited C. lively D. clear 45.A. disturbed B. shortened C. reset D. troubled 46.A. moments B. feelings C. senses D. effects 47.A. prevented B. allowed C. expected D. used