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关于近视眼的研究报告作文400字

2022-09-26 01:33:06五年级访问手机版471

关于近视眼的研究报告作文400字

One, raise a question

一、提出问题

Some closer year come, our country myope is increasing. Pupil is occupied 22% the left and right sides, junior high school is unripe increase to 55% , high school is born to already had the glasses on 70% belts, the scale of undergraduate myopia is as high as 80% .

近些年来,我国近视的人越来越多。小学生占22%左右,初中生增加到了55%,高中生已有70%带上眼镜,大学生近视的比例高达80%。

2, investigate a method

二、调查方法

(1) consult concerned book, how understanding Everyman is myopic. (2) get online search how to protect good eye.

(1)查阅有关书籍,了解普通人怎么近视。(2)上网查找怎样保护好眼睛。

3, investigate a case

三、调查情况

The element that brings about myopia has: Genetic element, environment element, individual element, nutrition element and Morpheus element.

导致近视的因素有:遗传因素、环境因素、个体因素、营养因素和睡眠因素。

The cause that causes student myopia has: Exercise is inadequacy of too much, Morpheus, excessive see TV, mobile phone. The cause that causes adult myopia has the job to cross inadequacy of much, Morpheus.

导致学生近视的原因有:作业太多、睡眠不足、过度看电视、手机。导致成年人近视的原因有工作过多、睡眠不足。

4, conclusion

四、结论

(1) because pass,see TV, mobile phone more and myopic.

(1)由于过多看电视、手机而近视。

(2) protect an eye carelessly, lay down read a book.

(2)不注意保护眼睛,躺下看书。

(3) when writing job is tired, bend over in write above the table.

(3)写作业累的时候,趴在桌子上面写字。

5, proposal

五、建议

(1) eat the vegetable that has a vitamin more (2) after the study in 40 minutes, visit green plant more, xiang Yuan is looked at. The health care that make a key point is held. (3) want the convention using an eye with good nurturance. (4) when writing, do not want to lay down, carry one a punch with the width of the table.

(1)多吃有维生素的蔬菜(2)在40分钟的学习后,多看绿色的植物,向原眺望。做眼保健操。(3)要养成良好的用眼习惯。(4)在写字时,不要躺下,和桌子的宽度保持一拳。