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
33
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] (4)
选项
A、but
B、still
C、hardly
D、narrowly
答案
A
解析
副词辨析题。[A]but作为副词,意思与only相似,表示“仅仅”,用在空格中符合原文的逻辑含义,因此为正确答案。[B]still的意思是“仍旧”,一般用于表示在做出让步、妥协或是采取措施等之后,情况依旧,没有变化,不符合原句的逻辑关系,排除;[C]hardly表示“几乎不”,表示否定含义,也不符合原句的意思和逻辑关系,因此排除;[D]narrowly的意思是“勉强地”,不符合句意,故排除。
转载请注明原文地址:https://tihaiku.com/zcyy/3788993.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
同一建筑物由两个以上单位管理或者使用的,应当明确各方的消防安全责任,并确定责任人
抗体缺陷为主的免疫缺陷病的主要临床表现为()A.反复病毒感染 B.反复细菌
雷尼替丁抑制胃酸分泌的作用机制是()A.抑制壁细胞分泌H的H-K-ATP酶
患者,女性,45岁。肝硬化病史8年,1小时前突然呕血约650ml,昏倒,急送医院
上述哪项为大定风珠的君药A.赭石B.龟甲,鳖甲C.阿胶,鸡子黄D.玄参,天冬E.
患者,女,15岁。月经来潮1年,周期不规则,2~3个月行经1次,经期8~10天,
A.当磁铁向下靠近金属线圈时,线圈中产生了顺时针的感应电流(俯视),两者之间表现
.评价宏观经济形势的基本指标包括()。 A.国民经济总体指标B.投资指标
为防止人举手时触电,布置在屋外的3kV及以上配电装置的电气设备外绝缘体最低部位距
某成年男性,30岁,体重65kg,推荐能量摄入量为2400kcal,蛋白质提供的
最新回复
(
0
)