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
3
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] (12)
选项
A、that
B、when
C、with which
D、from which
答案
D
解析
语法题。此处是一个定语从句,先行词为objects,从句中的谓语是proceed,为不及物动词,后面搭配的介词应该是from,表示“源于……”。因此正确答案是[D]from which,其他选项均不符合语法和句意要求,故排除。
转载请注明原文地址:https://tihaiku.com/zcyy/3789001.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
出口退税(exporttaxrebate)是指退还钱给出口企业,因其国内生产和流通(distribution)环节中已经缴纳商品税。出口退税制度是一
男性,31岁。转移性右下腹痛伴恶心、呕吐、发热24小时。查体:T38.7℃。右下
对脂肪和蛋白质的消化作用最强的消化液是A:唾液 B:胃液 C:胰液 D:胆
A.制剂的黏度,pH,渗透压及渗透促进剂的选择 B.药物有脂溶性和解离度,分子
产品使用环境对产品可靠性影响十分明显,因此在开发时应开展()计划。 A.抗振
简述现代企业人力资源管理各个历史发展阶段的特点。
某大型电力工程公司在海外发现一项新的电力工程项目机会,需要招投标。该项目若中标,
畸形中央尖最多发生于A.下颌第一前磨牙 B.下颌第二前磨牙 C.上颌第二前磨
(2018年真题)根据《水利建设工程文明工地创建管理办法》(水精2014]3号)
女,34岁,住院患者。有明显基础代谢增高症状及交感神经兴奋症状.浸润性突眼,甲状
最新回复
(
0
)