() A. Image behind the retina B. It is necessary to wear convex lens for correction C. Most of them are caused by too short anterior and posterior diameter of the eyeball D. nearer than normal people E. Weak refraction of the eye can occur ...
According to Annegret,which is mainly to blame for short-sightedness? A. Wearing glasses. B. Heavy schoolwork. C. Lack of natural light. D. Booming technology. 相关知识点: 试题来源: 解析 C 解析细节理解题。由第四段中的“AnnegretDahlmann,eoorfieldsEveHospitalinLondon,sayslackofnaturallight...
His maturity appears in the ___ clear-sightedness with which he could observe his own character. A.indifferentB.unconcernedC.detachedD.incurious 答案 C[解析] 形容词辨析题。detached指“不参与,同时对此有客观的看法”。indifferent表示“不偏向性,没有成见和偏好,对某事物不关心”;unconcerned指“不感兴...
B.As far as C.If only D.So long as 点击查看答案 第5题 Which of the following can NOT describe the men? A.Impassive. B.Arrogant. C.Farsighted. D.Scrupulous. 点击查看答案 第6题 The commanders found themselves far from ready to fight the war. A.指挥官们发现早就做好了战斗的准备。
【题目】Myopia, or short-sightedness, is a condition in which distant objects appear blurred, but closer objectscan usually be seen in sharp focus. Its biological basis is an eye that, during childhood, has grown too long for its optical power. T he focal plane for imagesof distant ...
The farsightedness degree which has the one for promotive refraction labored work being split and being distributed with by the 2nd refractionPROBLEM TO BE SOLVED: To provide a progressive refracting power spectacles lens capable of identifying the right, left, top and bottom without using a ...
Nearsightedness is a defect of sight in which distant objects that should be seen clearly are___. A. obvious B. unrecognized C. blurred D. blunt 温馨提示:温馨提示:请认真审题,细心答题! 正确答案 点击免费查看答案 试题上传试题纠错 TAGS 关键...
But Japan's Kubota Pharmaceutical Holdings claims to have developed smart glasses that, if worn just an hour per day, can cure myopia. It projects an image onto the wearers' retina(视网膜) to correct the refractive error that causes nearsightedness. Obviously, wearing the device 60 to 90 mi...
Myopia, or short-sightedness, is a condition in which distant objects appear blurred, but closer objects can usually be seen in sharp focus. Its biological basis is an eye that, during childhood, has grown too long for its optical power. The focal plane for images of distant objects ends ...
上文“Myopia usually begins in childhood and tends to get worse as people get older. This can have a negative impact on one’s everyday life.(近视通常始于儿童时期,并随着年龄的增长而恶化。这会对一个人的日常生活产生负面影响)”提到了近视会给人的日常生活产生负面影响;下文“Here’s how.(这就...