疟原虫的裂殖子通过蚊子传播给人。

如果正数m的平方根为x+1和x-3，则m的值是（    ）。

中国第二次申办奥运会的时间是1998年。

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，然后从第36至第55小题所给的A、B、C、D四个选项中，选出最佳选项。

Many years ago, when I was a man in my twenties, I worked as a salesman for a piano company．

We   36   our pianos all over the state by advertising in small town   37 ．Every time we advertised ,we   38   receive a reply on a postcard ,which said , “ Please bring me a new piano for my little   39  ．It must be mahogany ( 红木 )．I can pay $10 a month with my egg money．” Of course ,we could not sell a new piano   40    $10 a month .   41   her cards kept on coming．

A couple of years   42   , I owned my own piano company, and when I   43   in that area, the postcards started coming to me．For months, I ignored   44  ．What else could I do?

But then, one day I   45   to be in the area and have a mahogany piano on my little truck．I decided to look the old lady up. Though I knew that I was about to make a    46   business decision, I took the new piano in the house and placed it   47   I thought the roof would be least likely to let in rain on it．I told the old lady and the little barefoot girl to try to   48    the chickens off it, and I left sure I had just   49   a new piano!

But the   50   came in, all 52 of them as agreed, sometimes with coins．It was incredible! One day years later, I was in Memphis on other   51  ．As I was sitting at a bar having a drink, I heard the most beautiful piano music．I looked around, and there was a lovely young woman playing a very nice grand piano．She   52   at me , and when she took a   53   , she sat down at my table．

“Aren’t you the man who sold my grandma a piano a long time ago?”

My Lord, it was her! It was the little barefoot girl! I   54   remembered．I did have to go as soon as possible because men don't like to be seen   55   in public．

36. A. made       B. sold       C. fixed         D. delivered

37. A. books      B. villages      C. shops          D. newspapers

38. A. would      B. may       C. must          D. can

39. A. son          B. child      C. granddaughter    D. baby

40. A. with        B. for         C. to                  D. on

41. A. And         B. So         C. Therefore      D. But

42. A. ago         B. later       C. before         D. past

43. A. worked     B. went      C. advertised      D. succeeded

44. A. it         B. them      C. this           D. that

45. A. happened     B. decided      C. started         D. wanted

46. A. great       B. wise       C. good          D. terrible

47. A. when       B. there       C. where         D. that

48. A. feed        B. keep      C. leave          D. drive

49. A. given away  B. put off          C. sold           D. thrown away

50. A. payments     B. money          C. possessions      D. postcards

51. A. time        B. chance          C. business        D. matter

52. A. looked     B. stared     C. laughed         D. smiled

53. A. break           B. bread     C. drink         D. list

54. A. slowly     B. suddenly    C. carefully       D. excitedly

55. A. exciting          B. talking          C. crying         D. speaking

我们要掌握与同学友好相处的“金钥匙”，树立__________的观念。

下列关于聚众犯罪的说法，哪项是正确的( )

A．聚众阻碍解救被收买的妇女、儿童罪的主体包括首要分子和积极参加者

B．组织越狱罪的主体仅限于首要分子

C．聚众打砸抢并抢走财物的，应以抢夺罪定罪处罚

D．聚众扰乱公共场所秩序罪仅适用于首要分子