问题
填空题
人体感到舒适的空气相对湿度为（）
答案
参考答案：40％－60％
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人体感到舒适的空气相对湿度为（）
参考答案：40％－60％
| 完形填空。 | |||
| What a busy day! The three boys were fed, bathed and changed into their nightclothes. Mary had 1 them a story and finally they were asleep. "Babysitting the three boys aged eight, six and four is extremely 2 ," she thought. "Sleep," she considered, "if only I could!" But she had difficult homework to complete. Leaning back, she 3 her feet onto the sofa to get comfortable. Whoever said babysitting was a(an) 4 way to make money obviously hadn't met the three boys, she thought. The television was on, the room was warm, and the lights were dim(昏暗的). Mary's 5 felt heavier and heavier. I mustn't sleep, she thought - which was 6 what she did, of course. Strangely enough, she soon 7 that she was a world-famous chef (大厨). She made a 8 and wore diamonds and fashionable clothes. Most days she relaxed by the pool, meeting the rich and famous or 9 - her favorite hobby. She 10 took the leading role in her own TV show. That is, until she became too 11 . "I am definitely the best in the world," she thought, as she prepared a tasty chicken dish. But 12 seemed to go right. She spilt the flour, she dropped an egg and she cut her finger. Despite all the troubles, she 13 to get the chicken into the stove. Soon, smoke blanketed the room. The chicken was on fire. 14 set in, but Mary could not run - she was 15 to the spot. She tried hard to move, but could not, 16 a sharp sound awoke her. She got shocked and confused - 17 was pouring from the kitchen. Rushing to investigate, she was met by three 18 little faces and some very burnt bread. "Sorry, we were hungry and you were 19 , so we tried to make some bread," explained a boy. Relieved, Mary made them a snack and sent them back to bed. She 20 them never to fall asleep on the job again! | |||
| ( )1. A. given ( )2. A. successful ( )3. A. shook ( )4. A. difficult ( )5. A. eyes ( )6. A. nicely ( )7. A. realized ( )8. A. decision ( )9. A. cooking ( )10. A. just ( )11. A. selfish ( )12. A. everything ( )13. A. tried ( )14. A. Panic ( )15. A. frozen ( )16. A. because ( )17. A. smoke ( )18. A. cheerful ( )19. A. busy ( )20. A. promised | B. written B. helpful B. put B. boring B. mind B. exactly B. reminded B. fortune B. reading B. ever B. proud B. something B. arranged B. Pain B. dragged B. until B. light B. strange B. hungry B. allowed | C. told C. tiring C. bent C. important C. heart C. curiously C. learnt C. business C. running C. even C. stubborn C. anything C. managed C. Noise C. pushed C. as C. water C. guilty C. worried C. expected | D. taught D. surprising D. kept D. easy D. legs D. carelessly D. dreamt D. plan D. babysitting D. only D. sensitive D. nothing D. prepared D. Stress D. brought D. unless D. fire D. confident D. asleep D. persuaded |