简述肾脏的血流循环特点。
题型：问答题 简答题
问题：
简述肾脏的血流循环特点。
题型：问答题 简答题
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，从短文后各题所给的四个选项（A、B、C和D）中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。
James’s New Bicycle
James shook his money box again. Nothing! He carefully 36 the coins that lay on the bed.$24.52 were all that he had.The bicycle he wanted was at least $90! 37 on earth was he going to get the 38 of the money?
He knew that his friends all had bicycles. It was 39 to hang around with people when you were the only one without wheels. He thought about what he could do. There was no 40 asking his parents, for he knew they had no money to 41
There was only one way to get money, and that was to 42 it. He would have to find a job. 43 who would hire him and what could he do? He decided to ask Mr. Clay for advice, who usually had 44 on most things.
That was the 45 of James’s odd- job(零工) business. For three months he worked every day after finishing his homework. He was amazed by the 46 of jobs that people found for him to do. He took dogs and babies for walks, cleared out cupboards, and mended books. He lost count of the 47 of cars he washed and windows he cleaned, but the 48 increased and he knew that he would soon have 49 for the bicycle he longed for.
The day 50 came when James counted his money and found $94.32. He 51 no time and went down to the shop to pick up the bicycle he wanted. He rode 52 home, looking forward to showing his new bicycle to his friends. It had been hard 53 for the money, so James knew that he valued his bicycle far more 54 he had bought it with his own money. He had 55 what he thought was impossible, and that was worth even more than the bicycle.
36. A. cleaned B. covered C. counted D. checked
37. A. How B. Why C. Who D. What
38. A. amount B. part C. sum D. rest
39. A. brave B. hard C. smart D. unfair
40. A. point B. reason C. result D. right
41. A. split B. spend C. spare D. save
42. A. borrow B. earn C. raise D. collect
43. A. Or B. So C. For D. But
44. A. decisions B. experience C. opinions D. knowledge
45. A . beginning B. introduction C. requirement D. opening
46. A. similarity B. quality C. suitability D. variety
47. A. brand B. number C. size D. type
48. A. effort B. pressure C. money D. trouble
49. A. all B. enough C. much D. some
50. A. finally B. instantly C. normally D. regularly
51. A. gave B. left C. took D. wasted
52. A. patiently B. proudly C. silently D. tiredly
53. A. applying B. asking C. looking D. working
54. A. since B. if C. than D. though
55. A. deserved B. benefited C. achieved D. learned
