试题与答案

家兔的消化管与草食生活相适应的特点是 [ ] A.消化管长、盲肠不发达 B.消化

题型:选择题

题目:

家兔的消化管与草食生活相适应的特点是                             [ ]

A.消化管长、盲肠不发达               

B.消化管长、盲肠发达

C.消化管短、盲肠不发达               

D.消化管短、盲肠发达

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0422/091ca0ae8a082b6eb266903f49e1538f.html

下面是错误答案,用来干扰机器的。

(1)元素是质子数(即核电荷数)相同的一类原子的总称,决定元素种类的是质子数(即核电荷数),图表示的三种元素最本质的区别是质子数(即核电荷数)不同.(2)根据元素周期表中的一格中获取的信息,该元素的...

试题推荐
题型:完形填空

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36~55各题所给的A、B、C、D四个选项中,选出最佳选项。

Two runners stand side by side at the starting line of a race.   36   look very strong and fast.37   one runner speeds ahead and wins the race.The other  38    .

Some athletes can reach great    39   such as winning an Olympic gold medal. Others never live up to their   40  . What kind of preparation before a race or before other kinds of events makes the    41   ?

Everyone knows that athletes try to    42   their bodies. But research shows that strengthening the mind may be just as   43 . Careful study indicates that the best athletes win  __44  because they think they can win.

Positive thoughts seem to provide the edge for   45   in sports. People who say “I know I can do this” to themselves over and over   46    find that they have the advantage to win.On the other hand, people who think“I can,t win”often __47.

One procedure that helps many athletes is creating    48  in their mind. They are told to think of each jump they must make to   49  . Some use pictures that are more fanciful. One skater liked to think about a star bursting inside her,    50    her with energy. Another athlete who wanted to feel   51   pictured himself as a bird floating in the air.

Next time you want to do something well, try training your    52    to help you. Perhaps a teacher or other instructors can   53   you plan your training. If you imagine yourself doing better, you may soon see improvements in   54   you really can do. Positive thinking and pictures ___55   in your mind can help you win!

36. A. Neither              B. All                           C. Each                        D. Both

37. A. But                    B. So                      C. Or                       D. And

38. A. falls down    B. leaves behind     C. leaves alone              D. falls behind

39. A. prizes      B. goals          C. medals        D. places

40. A. promise          B. name             C. level          D. ability

41. A. progress              B. mistake                C. achievement         D. difference

42. A. determine    B. expand                     C. strengthen         D. extend

43. A. possible     B. interesting         C. difficult            D. important

44. A. partly          B. entirely                    C. completely        D. mostly

45. A. failure         B. luck                         C. success                     D. competition

46. A. often           B. never                C. hardly               D. rarely

47. A. fail         B. succeed              C. understand         D. expect

48. A. ideas           B. thoughts                   C. wonders                   D. pictures

49. A. fail                     B. run                          C. win                          D. go

50. A. giving         B. helping                    C. taking           D. tiring

51. A. encouraged  B. calm                        C. excited                     D. anxious

52. A. mind                  B. body                     C. brain                 D. imagination

53. A. help                   B. advise               C. allow                D. persuade

54. A. which          B. that                     C. what                        D. how

55. A. made                  B. hung                        C. discovered         D. created

查看答案
微信公众账号搜索答案