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
考研
Researchers have found that migrating animals use a variety of inner compasses to help them navigate. Some (1)_____ by the posit
Researchers have found that migrating animals use a variety of inner compasses to help them navigate. Some (1)_____ by the posit
admin
2010-09-06
57
问题
Researchers have found that migrating animals use a variety of inner compasses to help them navigate. Some (1)_____ by the position of the Sun. Others navigate by the stars. Some use the Sun as (2)_____ guide during the day, and then (3)_____ to star navigation by night. One study shows that the homing pigeon uses the Earth’s magnetic fields as a guide (4)_____ finding its way home, and there are indications that various other animals, from insects to mollusks (软体动物), can also make (5)_____ of magnetic compasses. (6)_____ is of course very useful for a migrating bird to be able to switch to magnetic compass when clouds cover the sun; (7)_____ it Would just have to land and wait for the Sun to come out again. (8)_____ with the Sun or stars to steer by, the problems of navigation are more complicated (9)_____ they might seem at first. For example, a worker honeybee (10)_____ has found a rich source of nectar and pollen flies rapidly home to the hive to (11)_____: A naturalist has discovered that the bee scout (12)_____ her report through complicated dance in the hive, (13)_____ she tells the other workers not only how far away the food is, but also what direction to fly in (14)_____ to the Sun. (15)_____ the Sun does not stay in one place all day. As the workers start (16)_____ to gather the food, the Sun may (17)_____ have changed its position in the sky somewhat. In later trips during the day, the Sun seems to move farther and farther toward the west. Yet the worker bees seem to have no (18)_____ at all in finding the food source. Their inner (19)_____ tell them just where the Sun will be, and they change their course (20)_____.
选项
A、how
B、why
C、in which
D、in this way
答案
C
解析
选词所在的部分是本句的定语从句,先行词是report,因此只有in which可以指代它,别的选项不符合要求,因此不正确。
转载请注明原文地址:https://kaotiyun.com/show/oLZ4777K
0
考研英语一
相关试题推荐
Whatisthepassagemainlyabout?Thebasicproblemofjournalistsaspointedoutbythewriterliesintheir______.
TheauthorwantstoprovewiththeexampleofIsaacNewtonthat______.Theauthorimpliesthattheresultsofscientificresea
Countlessdivorcedpoliticianswouldhavebeenelectedoutofofficeyearsagohadtheyeventhoughtofadivorce,letalone___
TheU.S.achieveditspredominanceafterWorldWarⅡbecause______.Whatcanbeinferredfromthepassage?
TheU.S.achieveditspredominanceafterWorldWarⅡbecause______.ThelossofU.S.predominanceintheworldeconomyinthe
Generallyspeaking,aBritishiswidelyregardedasaquiet,shyandconservativepersonwhois(1)_____onlyamongthosewithw
Oneofthebasiccharacteristicsofcapitalismistheprivateownershipofthemajormeansofproduction—capital.Theownership
Mostpeoplewouldbe(1)_____bythehighqualityofmedicine(2)_____tomostAmericans.Thereisalotofspecialization,agr
IncontrasttoDisneyWorld,oneofthecharactersintheservicesectoristhat______.Thetextintendstoexpresstheideat
随机试题
碳酸锂:丙米嗪:
A.重要动脉损伤B.重要神经损伤C.两者均可D.两者均不可股骨下1/3骨折可并发
高血压动脉硬化性脑出血最常见的破裂血管是
一般对致癌物制定的实际安全剂量在人群中引起的肿瘤超额发生率不超过
A、嫩蜜B、炼糖C、中蜜D、蜂蜜E、老蜜温度达116~118℃,相对密度为1.37()
在记账无误的情况下,造成银行对账单和银行存款日记账不一致的原因是()。
下列资源配置状态中,达到帕累托最优的是()。
()既是职业道德行为的出发点,又是激励教师实现某种职业道德目标的动力。
在中国特色社会主义伟大实践中,()是行动指南。
设随机变量.X~F(m,m),令p=P(X≤1),q=P(X≥1),则().
最新回复
(
0
)