沿江地带中我国著名航空航天城市是[ ] A．酒泉 B．西昌 C．宜昌 D．南昌

—Where are lions from?

—          .[ ]

A. South Africa        

B. Japan  

C. Australia          

D. China

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21~40各题所给的四个选项（A、B、C和D）中，选出最佳选项。

Many years ago, a salesman opened a bag of things from Scotland and found a card at the top. It  36   , “Expect a Miracle（奇迹）.” “What does that mean?” he thought, and then  37   it into his pocket.

That night he showed it to his wife. “Look at this, dear. What do you think it means?”

“Maybe this is what we need,” she said. “Our 38  are so great that they are too much for us. If we start   39   great things instead of the worst, miracle may 40 .” They decided to try changing their thinking for a few days, starting with their    41   problems. Then something changed. Not only did they find their problems    42   be worked out, but they also started   43  a lot of money.

To make miracles happen, you have to start by expecting them. That way your   44   can become focused in positive (积极的) ways. There are    45   coincidences（巧合）, and all kinds of happy experiences   46    one after another. 

One becomes hopeful and optimistic(乐观的). Little problems began   47   , while the big ones become much easier to work out. Success is not    48   you thought it was.

A positive thinker first sets clear and proper goals(目标). Then he goes to work, and   49   working. He never gives up. His dreams are sure to come true, and    50    they do, a miracle happens.

Miracles come in all    51   : big, medium-sized, and small. Start expecting the small ones, and work your way   52    to the big. Think positively,   53     yourself and work hard. You’ll find yourself    54    by how meaningful and   55    your life has become.

36. A. wrote                B. read                C. told                D. expressed

37. A. set                  B. sent                C. spent              D. put

38. A. problems             B. questions            C. suggestions          D. advice

39. A. imagining              B. realizing             C. suggesting         D. expecting  

40. A. take in                B. take up                   C. take place          D. take over   

41. A. smallest               B. biggest                   C. difficult               D. easy     

42. A. would                B. could                   C. should               D. might

43. A. making               B. taking                  C. finding               D. doing   

44. A. suggestion          B. money                 C. ability               D. trust

45. A. harmful                  B. strange                  C. useful               D. embarrassing

46. A. live                         B. stop                      C. work                  D. follow   

47. A. losing                   B. disappearing            C. growing            D. displaying     

48. A. as soon as              B. as long as                 C. as far as              D. as well as

49. A. keeps on              B. keeps up                 C. keeps out                  D. keeps from   

50. A. while                        B. before                          C. until                           D. when

51. A. shapes                B. types             C. sizes               D. kinds

52. A. up                    B. out                C. off                 D. for     

53. A. think of                     B. take care of        C. speak out            D. believe in 

54. A. bored                    B. surprised          C. upset                  D. puzzled   

55. A. dull                   B. careful            C. lively                   D. unloving 

关于平衡力，下列说法正确的是[ ]

A、物体在平衡力作用下一定保持静止状态

B、作用在一个物体上的两个力三要素完全相同，这两个力一定是平衡力

C、物体受重力和拉力作用，两个力大小相等、方向相反，则它们一定是平衡力

D、运动的物体在平衡力的作用下，一定保持匀速直线运动状态

黑岗口闸存在的主要问题是什么？

髋关节中心性脱位不能过早负重的主要理由是（）。

A.防止发生再脱位

B.防止神经损伤

C.防止股骨头坏死

D.使并发骨折顺利愈合

E.防止发生创伤性关节炎