首页
登录
职称英语
Human vision like that of other primates has evolved in an arborealenvironme
Human vision like that of other primates has evolved in an arborealenvironme
游客
2023-12-17
22
管理
问题
Human vision like that of other primates has evolved in an arboreal
environment. In the dense complex world of a tropical forest, it is more
important to see well to develop an acute sense of smell, in the 【M1】______
course of evolution members of the primate line has acquired large 【M2】______
eyes while the snout has shrunk to give the eye an unimpeding view. 【M3】______
Of mammals only humans and some primates enjoy color vision. The red
flag is black to the bull. Horses live in a monochrome world. Light visible to
human eyes, therefore, occupies only a very narrow band in the whole 【M4】______
electromagnetic spectrum. Ultraviolet rays are invisible to humans though
ants and honeybees are insensitive to them. Humans have no direct perception 【M5】______
of infrared rays like the rattlesnake that has receptors tuned into 【M6】______
wavelengths longer than 0.7 micron. The world would look eery different 【M7】______
if human eyes are sensitive to infrared radiation. Then instead of the darkness 【M8】______
of night, we would be able to move easily in a strange shadowless world
where objects glowed with varying degrees of intensity. But human eyes excel
in other way. They are in fact remarkably discerning in color gradation. 【M9】______
The color sensitivity of normal human vision is rarely surpassed even 【M10】______
sophisticated technical devices. [br] 【M10】
选项
答案
在even后增加by,
解析
词法错误,介词缺失。该句为被动语态,句末的短语sophisticated technical devices(复杂的技术设备)是动作的施动者,前面应该加上介词by才行。
转载请注明原文地址:https://tihaiku.com/zcyy/3280291.html
相关试题推荐
MurovyovkaNaturePark,aprivatenaturereserve,istheresultofthevision
MurovyovkaNaturePark,aprivatenaturereserve,istheresultofthevision
MurovyovkaNaturePark,aprivatenaturereserve,istheresultofthevision
WhichuniversityofferscoursesthroughoneoftheBBC’stelevisionchannel?A、O
ChildrenintheUKarenotreadingenoughathome,favouringtelevisionandc
WhichuniversityofferscoursesthroughoneoftheBBC’stelevisionchannel?A、Op
Agroupoflineswhicharesetoffandformadivisioninapoemiscalleda____
AmongthefourpoliticaldivisionsofBritain,______isthemostdenselypopula
TelevisionSinceitsinventionin【1】______,televisionh
TelevisionSinceitsinventionin【1】______,televisionh
随机试题
Itiscommonlyheldthatdrinkingmoderateamountsofalcoholcanreducethe
HowPovertyChanges
Theysawhimgrowupfrom(child)______.childhood
何女士,76岁。吸烟20年,反复咳嗽、咳痰10年,水肿、尿少7天。护理体检:血压
电压互感器的数量配置应满足()装置的要求A.测量仪表 B.继电保护
广义的文化可定义为A.物质文化和文学艺术 B.文学艺术和教育法律 C.吃、穿
境外上市因地区和模式差异,在具体操作上差异较大,笼统概括,可分为以下四步( )
下列属于年长儿上感主要症状的是A.发热、乏力 B.流涕、咳嗽 C.畏寒、呕吐
A.基础培养基B.选择培养基C.鉴别培养基D.增菌培养基E.厌氧培养基含多数细菌
指导肺气肿病人练习缩唇呼吸时,下列哪项是错误A.经鼻腔缓慢地吸气 B.短暂屏气
最新回复
(
0
)