进项税额是企业代垫资金，一定要加快货物的销售，才能把代垫资金收回来；收回了代垫资金，

阅读下面短文, 掌握其大意，然后从36-55各题所给的四个选项A、B、C、D中，选出最佳选项（共20个小题，每小题1分，满分20分）。

One day, a poor boy who was trying to pay his way through school by selling goods door to door found that he only had one dime (一角银币) left. He was hungry so he decided to    36    for a meal at the next house. However, he lost his nerve (不知所措，慌张) when a lovely young woman opened the door.    37    a meal he asked for a drink of water. She thought he looked   38   so she brought him a large glass of milk. He drank it slowly, and then asked, “How much do I   39   you?” “You don’t owe me anything,” she replied, “Mother has taught me never to accept  40    for a kindness.” He said, “Then I thank you from the bottom of my heart.” As Howard Kelly left that house, he not only felt   41   physically, but it also increased his faith in God and the human race. He was about to give up and    42    before this point. Years later the young woman became seriously ill. The  43   doctors were baffled (阻挡). They finally sent her to the big city, where specialists(专家) can be called in to study her   44   disease. Dr. Howard Kelly, now   45    , was called in for the consultation (会诊). When he heard the name of the town she came __46__, a strange light filled his eyes. Immediately he  47  and went down through the hospital hall into her room. Dressed  48  his doctor’s gown (罩衣) he went in to see her. He recognized(辨认) her at once. He went back to the   49   room and determined to do his best to save her life. From that day on, he gave special   50   to her case.

After a long struggle, the battle was   51  . Dr. Kelly requested the business office to pass the final bill to him for approval (批准). He looked at it and then    52   something on the side. The bill was sent to her room. She was    53   to open it because she was sure that it would take the rest of her life to pay it off. Finally she looked, and the note on the side of the bill    54   her attention. She read these words…

“Paid in (已缴)full with a glass of   55  .”

(Singed) Dr. Howard Kelly Tears of joy flooded her eyes as she prayed silently: “Thank you, God. Your love has spread through human hearts and hands.”

36. A. search   B. beg     C. wait    D. look

37. A. Because of   B. In front of  C. In case of   D. Instead of

38. A. upset    B. thirsty C. hungry       D. sad

39. A. owe      B. cost    C. lend    D. own

40. A. offer    B. pay     C. help    D. thanks

41. A. quicker B. weaker       C. stronger     D. warmer

42. A. stop      B. continue     C. retire  D. surrender

43. A. local     B. poor   C. kind    D. cruel

44. A. common      B. ordinary     C. rare    D. scarce

45. A. old       B. famous       C. unknown    D. retired

46. A. from    B. to       C. into    D. for

47. A. stood    B. waited C. fell     D. rose

48. A. on     B. in    C. with   D. of

49. A. waiting B. treating      C. information       D. consultation

50. A. interest B. food   C. attention           D. effort

51. A. defeated       B. won    C. lost     D. completed

52. A. changed       B. left     C. crossed       D. wrote

53. A. excited B. afraid  C. nervous      D. surprised

54. A. caught  B. called  C. paid    D. caused

55. A. water    B. coffee      C. milk  D. ice cream

外科手术预防用药目的（）

A、预防手术后切口感染

B、清洁-污染或污染手术后手术部位感染

C、预防呼吸道感染

D、术后可能发生的全身性感染。

E、预防消化道感染

木材的长向强度几乎只相当于短向强度的______。

对于四行程内燃机而言，对应一个活塞行程，曲轴旋转（）。

A．180度

B．360度

C．720度

非色散位移光纤是指（）。

A.G.652光纤

B.G.653光纤

C.G.654光纤

D.G.655光纤