问题 单项选择题 A1型题

关于视疲劳的说法哪项是错误的

A.睁眼使用目力若干时间即觉眼球或眉间酸胀或胀痛

B.其发生与眼外肌无关,为眼内肌的调节疲劳

C.可伴有眩晕,恶心,呕吐,头痛等全身症状

D.眼睑及结膜长期慢性刺激充血可引起视疲劳

E.眼睑沉重感除了视疲劳可引起,还可见于睑缘炎、结膜炎及沙眼等眼表疾病

答案

参考答案:B

解析:视疲劳的发生与眼内、外肌的使用不当或过度紧张有关,眼内肌的紧张见于屈光不正;眼外肌的紧张见于隐斜、眼肌不平衡。眼内外肌同时过度紧张见于长期近距离工作,集合与调节同时使用过度。因此本题正确答案为B。

完形填空

A person may have an idea about himself that will prevent him from doing good work.

He may have the belief that he is not capable (有能力的) of it. A child may think he is __1__ because he doesn’t understand how to make the __2__ of his mental faculties (才能). Older people may be mistaken that they are incapable of learning things new because of their __ 3__.

A person who believe that he is incapable will not make a real __4__ because he feels that it would be useless. He won’t go at a job with confidence necessary for __5__ , and he won’t  work his hardest way, even though he may think he is doing so. He is __6__ likely to fail, and the failure will __7__ his belief in his competence (才能) .

Alfred Alder, a famous doctor, had __8__ like this. When he was a small boy, he had a poor __9__ in maths. His teacher told his parents he had no ability in maths in order that they would not __10__ too much of him. In this way, they two __11__ the idea. He accepted __12__ mistaken thinking of his ability, felt that it was useless to __13__ and was very poor at maths, __14__ as they expected.

One day he worked at a problem which __15__ of the other students had been able to solve.

Alder __16__ in solving the problem. This gave him confidence (信心). He now __17__ with interest, determination and purpose, and he soon became especially good at __18__. He not only proved that he could learn maths well, but luckily he learned __19__ in his life from his own experience that if a person goes at a job with determination and purpose, he may __20__ himself as well as others by his ability.

1. A. clever                   B. shy                   C. useless                     D. stupid

2. A. biggest                 B. most                 C. highest                     D. deepest

3. A. ability                  B. age                   C. brain                        D. knowledge

4. A. decision                B. success              C. effort                       D. trouble

5. A. work                    B. study                C. improvement            D. success

6. A. truly                       B. really                C. however                   D. therefore

7. A. lead to                 B. strengthen         C. increase                    D. add to

8. A. an experience        B. an example        C. a thought                  D. a story

9. A. state                        B. mind                 C. start                         D. ending

10. A. blame                 B. expect               C. get                           D. win

11. A. developed           B. organized          C. discovered                D. found

12. A. his                     B. her                   C. its                          D. their

13. A. manage               B. succeed             C. try                         D. act

14. A. only                   B. almost               C. just                        D. then

15. A. none                   B. no                    C. no one                   D. nobody

16. A. gave                   B. succeeded          C. failed                            D. believed

17. A. lived                  B. worked             C. played                    D. graduated

18. A. lessons                  B. medicine           C. subjects                  D. maths

19. A. early                  B. deeply               C. late                        D. simply

20. A. encourage           B. love                  C. astonish                  D. disappoint

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