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
39
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
Itwasthedistrictsportsmeeting.Myfootstillhadn’thealed(痊愈)froma(n
克隆人、千年虫、互联网……我们触目所见的许多东西都在挑战我们的思维和传统。虽然我们应当有勇气来接受和不断地超越人类的局限,可是并非一切发展都无懈可击。无
按建设项目的投资效益和市场需求分类,工程项目不包括()。A.竞争性项目 B.盈
下列除哪项外均为门脉高压症的临床表现()A.外周静脉压升高 B.腹壁
治疗肝肾阴虚所致胁痛的代表方剂是A.天台乌药散 B.六味地黄丸 C.痛泻要方
根据下列图文回答: 2004年某省种植业结构继续调整,粮食作物的种植面
医患双方要遵守共同的道德规范不包括A.互相关爱和帮助B.互相理解和信任C.互相学
2012年,浙江省工商服务类社会团体的数量约占社会组织数量的:() A.8
下列哪种分析方法是利用统计、数值模拟和其他定量模型进行证券市场相关研究的一种方
2015年4月30日,中共中央政治局会议审议通过的《京津冀协同发展规划纲要
最新回复
(
0
)