首页
登录
职称英语
The nature of light is not wholly known, but it is generally believed to be
The nature of light is not wholly known, but it is generally believed to be
游客
2024-10-06
24
管理
问题
The nature of light is not wholly known, but it is generally believed to be matter, as in its(1)______, it obeys the laws(2)______matter. So closely is it connected with heat and electricity that there can be (3)______ doubt of their all being(4)______ different modifications of the same substance. The effects of light(5)______ other bodies and how light is affected by them(6)______ some important principles.
Rays of light are reflected from one surface to(7)______. It is by this reflection of light that objects are(8)______ visible. However, unless light falls directly(9) ______the eye they are invisible, and are not(10)______felt until after a certain series of operations upon the various coverings of the eye. Smooth and(11)______surfaces reflect light most powerfully, and send to the eye the images of the objects (12)______ the light proceeded before reflection. Glass would be of no use to us as a mirror, were it not first(13)______on one side, interrupting the rays in their(14)______from the glass into the air. The reason why trees, rocks and animals are not all mirrors is that their surfaces are(15)______, and rays of light reflected from such a surface are(16)______in every direction. Stand before a mirror and your image is formed and appears to be as far(17)______the glass as you are before it. Rays of light(18) ______reflected at the same(19) ______at which they fall upon a mirror, two persons can stand in (20)______ position that each can see the image of the other without seeing his own. [br] (20)
选项
A、such a
B、quite a
C、so much a
D、/
答案
A
解析
固定搭配题。由于position为名词,这句话包含的实际就是“such a…that…”的结构。所以[A]such a为正确答案。
转载请注明原文地址:https://tihaiku.com/zcyy/3789009.html
相关试题推荐
Thenatureoflightisnotwhollyknown,butitisgenerallybelievedtobe
Thenatureoflightisnotwhollyknown,butitisgenerallybelievedtobe
Thenatureoflightisnotwhollyknown,butitisgenerallybelievedtobe
Thenatureoflightisnotwhollyknown,butitisgenerallybelievedtobe
Thenatureoflightisnotwhollyknown,butitisgenerallybelievedtobe
Thenatureoflightisnotwhollyknown,butitisgenerallybelievedtobe
Thenatureoflightisnotwhollyknown,butitisgenerallybelievedtobe
Thenatureoflightisnotwhollyknown,butitisgenerallybelievedtobe
Thenatureoflightisnotwhollyknown,butitisgenerallybelievedtobe
Thenatureoflightisnotwhollyknown,butitisgenerallybelievedtobe
随机试题
Whichofthefollowingfiguresistheoddoneout?[img]2018m1x/ct_eyyjsaz2017j_
"Letmehaveacompanionofmyway,"saysSterne,"wereitbuttoremarkhow
Wherehasthewomanbeen?[br][originaltext]M:It’sgoodtoseeyouback.How
建筑热水供应的有关规定以下错误的是()。A.升温后的冷却水均不得作为生活用热
下列哪一项可不必放置引流物:A.创口渗液多 B.无菌创口 C.术中止血不彻底
(1)罗德曼抢断成功(2)邓肯盖帽(3)罗滨逊抢下篮板球迅速前传(4)皮蓬
有一商场,地下2层,层高4m,每层建筑面积14000㎡,建筑内部装修全部采用不燃
下列说法中,错误的是()。A.因为发行者可能在利率上升时赎回债券,投资者不得不
采用根尖片分角线投照技术显示被检查牙齿邻面影像重叠的原因A.x线与被检查牙齿的邻
深化税制改革的目标取向包括()A.优化税制结构 B.完善调节功能 C.稳定宏
最新回复
(
0
)