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...
Light travels in a straight line can be observed by keeping an object in path of light. In atmosphere which is bit dusty, we can see light traveling in straight line.
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...
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 ...
Light ___(typical) travels in a straight line. (用单词适当形式填空) 相关知识点: 试题来源: 解析 [答案]typically [解析] [详解]考查副词。句意:光通常沿直线传播。分析句子可知,typical在这里修饰谓语动词travels,要用副词形式。故填typically。 [解析] [详解]考查副词。句意:光通常沿直线传播。分析句子可...
We discovered that light travels in a straight line. Which of the following proves this? 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: ...
2③That light travels in straight lines is known to us all.It is known to us all thatlight travels in straightlines. 3【题目】③ That light travels in straight lines is known to us all.light travelsin straight lines. 4③That light travels in straight lines is known to us all.Itisknown...
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
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. 相关知识点: 试题来源: 解析 D。本题考查对光的特性的理解。A 选项说光总是弯曲的错误;B 选项光有时走曲线也不对;C 选项光从不改变方向不准确,...
百度试题 结果1 题目【题目】单句语法填空Light(typical) travels in a straight line. 相关知识点: 试题来源: 解析 【解析】typically 句意:光通常以直线传播。本空修饰谓语动词travels,故应用副词 typically。 反馈 收藏