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单选题 Empty Field Myopia is the tendency of the ciliary muscle to relax when there are no close objects in the field of view. This causes the eye to take up a focal length of approximately
学科：默认课程
时间：2026-03-23 02:26:25
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题目1单选题
Which of the following is sexually transmittedA. Oral ulcerB. SyphilisC. Urticaria
题目2单选题
Age-related hearing loss is calledA. presbyopiaB. presbyterianismC. presbycusis
题目3单选题
The heart rate of a healthy adult in quiet environment is aboutA. 60~100 times/min(60~100次/分)B. 80~150 times/min(80~150 次/分)C. 50~80 times/min(50~80次/分)
题目4单选题
Empty Field Myopia is the tendency of the ciliary muscle to relax when there are no close objects in the field of view. This causes the eye to take up a focal length of approximatelyA. one to two metersB. infinityC. five meters
题目5单选题
The eye moves in what are termed "saccades" jerks and fixation. In visual searching a saccade/ fixation cycle usually occupies roughly ()A. 0.3 sB. 1 sC. 3 s
题目6单选题
Which of the following statement is wrongA. SHEL is composed of software, hardware, emotion and liveware.(SHEL是由软件、硬件、情感和人组成.)B. SHEL can be used to analyze the source of human errors.(SHEL可以用来分析人为差错的来源.)C. SHEL is a model describes four basic components necessary for successful human-machine integration and system design.(SHEL是一个模型,描述了成功的人机一体化和系统设计所必需的四种基本组成部分.)
题目7单选题
Which of the following is not a symptom of carbon monoxide poisoningA. headache and fatigueB. a feeling of euphoriaC. impairment of vision and mental confusion
题目8单选题
In case of communication, the expectation psychology may cause the information receiver to______A. rationally judge all of the informationB. automatically adjust their expectations, if the information does not meet their expectationsC. receive the information that he/she wants
题目9单选题
The function of the ciliary muscles in the eyes is toA. alter the shape of the lens to allow the eye to focus on objects at various distancesB. move the eyes from left to right in the socketC. change the size of the pupil to vary the amount of light entering the eye
题目10单选题
If copilot find the misoperation of captain, what should the copilot doA. Persuade captain to follow the suggestionsB. Ask captain about the operation and take over the control when necessaryC. Do not question about captain's ability and cooperate with captain
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