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
19
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] (11)
选项
A、shiny
B、clean
C、polished
D、flat
答案
C
解析
形容词辨析题。[C]polished意为“擦亮的”,符合文意,故为正确答案。[A]shiny意为“闪闪发光的”,[B]clean意为“干净的”,[D]flat意为“平坦的”,均可以排除。
转载请注明原文地址:https://tihaiku.com/zcyy/3789000.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
IntheUnitedStates,averagefuelefficiencyofnewlymanufactureddomesticcar
Toreviewandassessachievementsandsummarizeandexchangeexperience________t
三拗汤由麻黄汤变化而来。属于下列哪种变化A.药量加减变化 B.药味加减变化
Thechangeinthatvillagewasmiraculou
房地产开发过程中的工程项目管理,可由开发商的管理队伍管理,也可委托监理机构负责管
承认一切事物都是可以转化的观点是( ) A.辩证唯物主义观点 B.一切唯物
()用来衡量利率变动对银行当期收益的影响。A.缺口分析 B.久期分析 C.
波形补偿器的特点有()。 A.适用于工作压力较低的场合B.制造比较简单、方
患者女,45岁。月经增多,经期延长已2年,伴头晕、心悸。妇科检查子宫如妊娠3个月
最新回复
(
0
)