Compared with 3D-glasses, 2D-glasses . A. are cheaper and thinner B. won't give you a headache C. let you see a different picture D. are more popular in movie theaters 相关知识点: 试题来源: 解析 (1)A(2)A(3)B (1)细节理解题。根据第二段While they're a bit expensive, ….....
They need a lot more care than glasses. You have to clean and store them the right way. You can get seriouseyeinfections if you don't clean your contacts well or don'twash your handsbefore handling them. If you have high astigmatism, your vision might get blurry when the lenses rotate....
They save you from tying your shoes.4.Compared with 3D-glasses,2D-glasses . are cheaper and thinner . won't give you a headache . let you see a different picture . are more popular in movie theaters. 相关知识点: 试题来源: 解析 1.A 推理判断题,根据第二段There's also a wireless...
People who need to wear glasses to simply see things around them always dream about perfect eyesight. They often go to an ophthalmologist and ask to help in choosing contact lenses. But sometimes such people leave the doctor without lenses because that’s just not an option for them. Image c...
abetter index range, which is a key benefit. Most people don't care about this, especially those who rarely or never use prescription drugs. For those who wear glasses with really high prescriptions, it does matter. You can getthinner lenseswithless distortionwhen using lenses made ofmineral ...
Are prism lenses thick? Prism lenses are made from thin pieces of the optical material used in prescription eye glasses.Their apex is thinner and their base is thicker. ... Lenses with consistent thickness cannot change the direction of the light although they can still slow down the light. ...
Polycarbonate is a rigid, transparent thermoplastic often used to make lenses for safety glasses, helmet visors, or other impact-resistant optics. Its manufacture for use as a dielectric film was discontinued around the year 2000, and remaining material stocks for capacitor applications have largely ...
___A.They are strong and lasting.B.They help you walk comfortably.C.They are stylish and eco-friendly.D.They save you from tying your shoes.28.Compared with 3D-glasses,2D-glasses___.A.are cheaper and thinner B.won't give you a headacheC.let you see a different picture D.are more...
Trivex lenses are lightweight, durable, and a great choice for rimless frames, children's eyewear and anyone who wants safe, comfortable glasses.
可知此 处是指切洋葱会使你被迫流泪,故选A. 3.B 细节理解题,根据最后一段Now you have a pair of glasses that can save you from the headache caused by wearing 3D-glasses which are popular in our movie theaters. 可知2D眼镜 不会引起头痛,故选B. ...