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
Next time you gaze outside 【C1】______ a cold winter day and think how dead everything appears, take a closer look. Nature m
Next time you gaze outside 【C1】______ a cold winter day and think how dead everything appears, take a closer look. Nature m
admin
2010-03-19
30
问题
Next time you gaze outside 【C1】______ a cold winter day and think how dead everything appears, take a closer look.
Nature may not be at its 【C2】______ in January and February, but it may be the best time to observe amazing adaptations and appreciate the diversity of life even when the temperature falls 【C3】______ freezing.
Skunks, chipmunks, and black bears are among the few animals to semi-hibernate during the winter.
The woodchuck is a true hibernator. Many animals 【C4】______ to escape the cold. Reptiles may migrate several inches down into leaf litter or the mud at the bottom of a pond, 【C5】______ fish may swim and feed below the ice. Other animals stay active throughout the winter months.
Animal tracks and signs are an excellent 【C6】______ to learn about wildlife in winter. Gnawed bark, active lodges, stray feathers, diggings in the ground, urine or scat, or holes in the ice give clues to activity, whether it’s foraging, hunting for prey, finding shelter, or looking for a mate. Tracks are 【C7】______ by their size and shape, the number of toes, the stride, and the mode of locomotion (walking, bounding, galloping, or wadding).
Blowing leaves, cones, or seeds along with falling or rolling snow can also 【C8】______ interesting tracks and trails on the snow.
Tracking conditions 【C9】______ with the type and amount of snow; it’s best to look along the edge of a habitat, such as 【C10】______ a forest meets a field, or near water’s edge. Unmelted and undrifted snow provides the clearest tracks. Watch for bird tracks, too, including wing marks: when tracks stop abruptly, the bird probably took 【C11】______ .
Evidence of insects is also plentiful during the winter. Many insects, with their variety of adaptations, over winter in one of their developmental (sub-adult) stages as either eggs or pupae and emerge in the spring, Insects also have their own version of hibernation in 【C12】______ weather, a resting stage called diapause. For some insects, the ratio of light to dark may signal them to migrate to stable environments beneath the ground, below the water’s surface, or into deep water.
Other animals seek protection under the insulating blanket of winter snow. Snow hides prey from 【C13】______ and 【C14】______ dormant plants, insects, and small mammals. Deeper snow requires more energy to move through, but makes it easier for smaller animals to reach buds on tree branches.
Plants also 【C15】______ to cold weather with a wide variety of survival techniques. Winter weeds that look dead and dry may have live roots underground. Some disperse their seeds on winter winds or produce burs full of seeds that get caught on the fur of passing animals.
【C13】
选项
A、predators
B、wild animals
C、other animals
D、severe cold
答案
A
解析
根据上下文,这里是用的反义词,单词prey:被掠食者,牺牲者。所以应选择predators:食肉动物;掠夺者。
转载请注明原文地址:https://kaotiyun.com/show/DN9K777K
0
专业英语四级
相关试题推荐
OnAprilthe18th,1960,itwasafewminutesafter5o’clockinthemorning.MostpeopleinSanFranciscowerea-sleep,butthe
OnAprilthe18th,1960,itwasafewminutesafter5o’clockinthemorning.MostpeopleinSanFranciscowerea-sleep,butthe
Onwhataspectofweatherforecastingdoestheconversationfocus?
Advertisingcanbeaservicetothecustomer.Thisistruewhenadvertisementsgiveliableinformationaboutthegoods______.
15thApril,199___Sir, Ifullyunderstandtheoppositionexpressedbymycolleaguestothereductionintheuniversitybudget
PleaseRecycleThatBobsledRun(大学橇滑道) Forthe1992WinterGames,Frenchorganizersconstructedanewmotorway,pa
Whoweretherocketslaunchedby?
Wehaddifficultiesatfirstbuteverythingworked______smoothlyintheend.
Theelectioncampaigniscarriedout______,withalmosteveryoneinvolvedinonewayoranother.
Democratsfollowingthepresidentialcampaignaredividedintotwofactionsthesedays:peoplewhoarefrustratedthatJohnKerr
随机试题
师夷长技以制夷
如果肺炎病人用2天抗生素后,呼吸困难加重,烦躁甚,右肺呼吸音减弱,中下肺叩诊发浊,上部叩诊过清音。血PaO29.3kPa,PaCO27.5kPa,此时最重要的治疗措施应该是
麻黄汤与桂枝汤具有的相同功用是
对同一工程地质单元(土层)取的土样,用相同方法测定的数据,通常是( )。
财产清查按清查的范围,可分为()。
2013年10月15日,人民法院根据债权人申请受理了A公司破产清算案,并指定了管理人。在该破产案件中,存在以下情况:(1)根据A公司章程的规定,股东分两期缴纳出资,其中,第一期出资于2011年2月1日公司设立时缴纳,第二期出资于20141年2月28日前缴
依据我国《合同法》的规定,下列各项中不属于合同无效事由的是()。
2011年1—5月,全国进出口总额14018亿美元,同比增长27.4%;其中,出口7124亿美元,增长25.5%;进口6894亿美元,增长29.4%。 当月进、出口保持较快增长。5月份。全同进出口总额3013亿美元,同比增长23.5%,环比增长0.4%
依次填入下列各句横线处的词语,最恰当的一组是( )。①如能在具有悠久文明______迅速发展的北京举办2008年奥运会,无论对奥林匹克运动,对中国乃至世界都具有积极意义。②血栓闭塞性脉管炎的病因至今______不清楚,一般认为与吸烟等因素有关。③人们__
A、No,youcanuseyourcreditcard.B、Yes,youcanuseyourcreditcard.C、Yes,youcannotuseyourcreditcard.D、Yes,youcan
最新回复
(
0
)