1.__Does__light_travel__in a straight line?(travel)2.The book _has been lying___ on the table since morning.(lie)3.Reading in the morning __does__the students a lot of good.(do)4.Why _is__that man _standing__ in the middle of the road?__Is__he _trying__ to get acros...
Light travels in a straight line. This is called ___. A. reflection B. refraction C. rectilinear propagation D. diffraction 相关知识点: 试题来源: 解析 C。光沿直线传播叫 rectilinear propagation。选项 A 反射,不对;选项 B 折射,错误;选项 D 衍射,不符合。本题考查光的传播特点和英语表达。反馈...
Light travels in a ___ line. A. straight B. curved C. circle D. square 相关知识点: 试题来源: 解析 A。光沿直线传播,“straight”是直的;“curved”是弯曲的,不符合;“circle”是圆,不是线;“square”是正方形,也不是线的形状。反馈
Light travels in a straight line because ___. A. it has no mass B. it has high speed C. it has no resistance D. it has no charge 相关知识点: 试题来源: 解析 C。本题关于光的传播特性。选项 A“it has no mass”光没有质量不是其沿直线传播的原因。选项 B“it has high speed”光的...
1.light(1)Light travels in a straight line.A(2)Light and bright colors make people not onlyhappier but also more active.E(3)It's getting dark. Could you please turn on thelight for me?B(4)But we were unable to light the fire, as every-thing was wet.D(5)Modern video cameras ...
A. A mirror reflecting light. B. Shadows formed by objects. C. Light passing through a prism. D. Light bending around a corner. 相关知识点: 试题来源: 解析 B。本题考查对光沿直线传播这一结论的理解应用。A 选项镜子反射光,不能证明光沿直线传播;C 选项光通过棱镜,是光的折射;D 选项光绕过拐...
Scientists say that light travels in a straight line.Which of the following statements is true? A. Light always bends. B. Light sometimes travels in a curved path. C. Light never changes direction. D. Light can be blocked by opaque objects. ...
A. Light can bend around corners. B. Light is visible to the human eye. C. Light has a certain speed. D. Light can be reflected. 相关知识点: 试题来源: 解析 A。假设是光沿直线传播。选项 A“Light can bend around corners”(光可以绕过拐角)错误,与假设相悖。选项 B“Light is 反馈...
Light diffusion along a straight line 翻译结果5复制译文编辑译文朗读译文返回顶部 Light along straight line dissemination 相关内容 a当生活规律正常的时候,我们的心情也会变得更加愉快 When the law of life is normal, our mood also can become happier [translate] aas amended 修正 [translate] awant you sa...
A. Light can bend when it passes through a prism. B. Light always travels in a straight line. C. Light can be reflected. D. Light can be refracted. 相关知识点: 试题来源: 解析 B。解析:光学实验表明光沿直线传播。但光在通过棱镜时会弯曲,A 选项正确。B 选项说光总是沿直线传播错误。光可...