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第二节：完形填空（共20小题；每小题1.5分，满分30分）
阅读下面短文，掌握其大意，然后从31－50各题所给的四个选项（A、B、C和D）中，选出最佳选项，并在答题卡上将该选项标号涂黑。
In the early 1800’s, a boy named John lived in an orphanage (孤儿院) with several other children. Every day was 31 working and Christmas was the one day of the year 32 the children did not work and received a gift — an orange. The children 33 it so much that they kept it for weeks, and even 34 — smelling it, 35 it and loving it. Usually they tried to preserve(保护) it for so 36 that it often went bad before they ate it.
This year John knew he would soon be 37 enough to leave. He would save the orange until his birthday in July. If he preserved it 38 , he might be able to eat it on his birthday.
Christmas day finally came. The children were so 39 as they entered the dining hall. In his excitement, John knocked over something, causing a big 40 . Immediately the master shouted, “John, leave the hall and there will be no orange for you.” John's heart 41 . He turned and ran back to the 42 room so that the children wouldn’t see his tears.
Then he heard the door open and the children entered. Little Elizabeth with a 43 on her face held out her small hands. “Here John,” she said, “this is for you.” As John 44 his head, he saw a big juicy 45 all peeled and quartered … Each child had sacrificed(舍弃) their own orange by 46 a quarter and had created a big, beautiful orange for him.
John never forgot the sharing, love and personal 47 his friends had shown him that Christmas day. 48 that day, after he became rich, every year he 49 send oranges all over the world to children everywhere. His 50 was that no child would ever spend Christmas without a special Christmas fruit!
31. A. forced B. passed C. taken D. spent
32. A. as B. when C. while D. which
33. A. needed B. wanted C. valued D. liked
34. A. months B. days C. years D. seasons
35. A. tasting B. watching C. pressing D. touching
36. A. much B. soon C. long D. far
37. A. old B. strong C. tall D. experienced
38. A. seriously B. carefully C. secretly D. softly
39. A. nervous B. excited C. pleasant D. eager
40.A. cry B. disappointment C. surprise D. noise
41.A. jumped B. stopped C. broke D. settled
42.A. cold B. small C. old D. lonely
43.A. look B. tears C. comfort D. smile
44.A. shook B. lifted C. put D. turned
45.A. gift B. surprise C. orange D. wonder
46.A. sharing B. breaking C. eating D. taking
47.A. feelings B. affairs C. relation D. sacrifice
48.A. In return for B. In case of C. In memory of D. In search of
49.A. must B. would C. might D. should
50.A. desire B. idea C. meaning D. thinking
．若电流计满刻度的格数为N，当红黑表笔间接被测电阻Rx时，指针偏转格数为
，则Rx= _________ （用R0表示）
