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
36
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] (13)
选项
A、coated
B、painted
C、drawn
D、overlapped
答案
A
解析
动词辨析题。be coated表示“被涂上涂料”,符合文意,故[A]为正确答案。be painted表示“刷上油漆”,be drawn表示“被画上”,be overlapped表示“被覆盖”,均与文意不符,故排除后面三个选项。
转载请注明原文地址:https://tihaiku.com/zcyy/3789002.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
[img]2012q1/ct_egreqm_egreqbj_0302_20121[/img][br]A、 B、 C、 D
感烟火灾探测器的报警信号联动控制疏散通道的防火卷帘门下降至底。
脊柱手术的体位是A.仰卧位B.截石位C.俯卧位D.侧卧位E.膝胸位
经贸上,中美两国早已互为第二大贸易伙伴,双边贸易额从建交当年不足25亿美元发展到
尿纤维蛋白降解产物阳性,提示A.糖尿病肾病B.急性肾炎C.阵发性夜间血红蛋白尿D
下列违约行为中,()是时间上的不完全履行。A.履行不当 B.履行不能 C
A.AB.BC.CD.D
巴金:《家》A.鲁迅:《祝福》 B.《春》:觉慧 C.《白毛女》:喜儿
解决企业人力资源供不应求最有效的办法是( )。A.延长工作时间 B.通过拟定
创造项目产品的过程是实施项目产品的()的过程。 A.功能B.效益C.质
最新回复
(
0
)