首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
Human vision like that of other primates has evolved in an arboreal environment. In the dense complex world of a tropical forest
Human vision like that of other primates has evolved in an arboreal environment. In the dense complex world of a tropical forest
admin
2013-02-04
37
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.
【M8】
选项
答案
are改成were
解析
句法错误,虚拟语气。此句是典型的表示与现在事实相反的虚拟条件句,主句使用了would+ v,从句应该是用一般过去时。
转载请注明原文地址:https://kaotiyun.com/show/b4aO777K
0
专业英语八级
相关试题推荐
Shelley’smasterpiece,PrometheusUnbound,isaversedrama,whichborrowsthebasicstoryfrom
"Youdon’thavetowaitforgovernmenttomove...thereallyfantasticthingaboutFairtradeisthatyoucangoshopping!"Sos
TheImportanceofQuestionsFornon-nativespeakersofEnglishwhowanttoparticipateingroupdiscussions,itisimportant
TheYellowPagesisaclassifiedcommercial______thatlistssubscribersaccordingtotheirtradeorbusiness.
Who’stoblamefortheapproximately$2agallonmostAmericanspaidforgasolineontheirThanksgivingDaytravels?Toquote
WhichofthefollowingdoesnotbelongtotheIslandofGreatBritain?
ClassificationsofCulturesAccordingtoEdwardHall,differentculturesresultindifferentideasabouttheworld.Hallis
ItwasadaythatMichaelEisnerwouldundoubtedlyliketoforget.SittinginaLosAngeleswitnessboxforfourhourslastweek
多极化趋势正在全球范围内继续发展。各种重要力量相互依存,相互制约,相互合作,有利于世界的和平与稳定。全球有近二百个国家。国家不论大小、贫富、强弱,都是国际大家庭的平等成员。世界和平要靠各国人民的共同努力。世界事务应由世界各国共同参与。我们生活在一个丰富多彩
Parentsandgrandparentswithmoneytosparearenolongerwaitinguntildeathtopassontheirwealth.Instead,they’reincreas
随机试题
根据我国《宪法》的规定,下列哪一种说法不正确?()
Wemaylookattheworldaroundus,butsomehowwemanagenottoseeituntilwhateverwe’vebecomeusedtosuddenlydisappears.
全国人大常委会关于《刑事诉讼法》第271条第二款的解释规定,检察院办理未成年人刑事案件,在做出附条件不起诉决定以及考验期满做出不起诉决定前,应听取被害人的意见。被害人对检察院做出的附条件不起诉的决定和不起诉的决定,可向上一级检察院申诉,但不能向法院提起自诉
在我国,政府的职能关系主要表现为()
A.儿童卡介苗的接种B.食品卫生法制定C.通过国际检疫防止埃伯拉病毒的传人D.子宫颈癌的筛检E.残疾患者的康复护理指导属于第一级预防的是
汽车等机动车辆排放出的尾气如果经过太阳紫外线的照射下,则会形成二次污染物。下列哪项是不利于该污染物形成的气象条件
李先生,56岁,患2型糖尿病多年,体态肥胖,“三多一少”症状不明显,血糖偏高。饮食控制、口服降糖药效果均不理想。李先生向你咨询,你的建议是
意向书不是法律文件,对双方没有约束力。()
某公安机关一名民警在查办一起盗窃案件过程中,对嫌疑人刑讯逼供并造成其伤残和劳动能力部分丧失而引起公安赔偿,根据《国家赔偿法》的规定,对该受害人赔偿的项目应当包括()。
ThemainreadersofmedicaljournalsareAnarticledealingwithresultsfromdifferentstudiesonthesametopiciscalled
最新回复
(
0
)