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
Animals seem to have the sense to eat when they are hungry and they do not eat more than their bodies need. It has been【B1】_____
Animals seem to have the sense to eat when they are hungry and they do not eat more than their bodies need. It has been【B1】_____
admin
2013-07-11
32
问题
Animals seem to have the sense to eat when they are hungry and they do not eat more than their bodies need. It has been【B1】______ that rats will, when given a choice over a period of time, prefer water with vitamins to water without vitamins even though there is no difference in taste or smell between the two water bottles. When a fragrant(香的)【B2】______ was added to the vitamin-enriched water, the rats did seem to prefer it and kept drinking it, even after the vitamins were【B3】______ to the clear water. In time,【B4】______, they broke the habit and went back to where the necessary vitamins were.
In a【B5】______ experiment, babies of 6 to 12 months old were placed in a cafeteria(自助)feeding 【B6】______, with a wide selection of baby food before them. They were given whatever food they 【B7】______ interested in. At first they showed some【B8】______ eating patterns, but over a period of time they managed to select well-balanced diet.
【B9】______. Apparently, there is a kind of "body wisdom", which humans soon lose. Most of us do not eat as wisely as we could.【B10】______. Some people eat fox, dog and blackbirds, while we eat cows and pigs.【B11】______
【B3】
选项
答案
switched
解析
此处需用被动形式的动词。switch意为“转换,改变”.拼写时不要漏加-ed。
转载请注明原文地址:https://kaotiyun.com/show/UV07777K
0
大学英语四级
相关试题推荐
Frenchfries,washeddownwithapintofsoda,areafavoritepartoffast-foodlunchesanddinnersformillionsofAmericanyou
TheMagicianTherevolutionthatSteveJobsledisonlyjustbeginningWhenitcametoputtingonashow,no
TheMagicianTherevolutionthatSteveJobsledisonlyjustbeginningWhenitcametoputtingonashow,no
A、Practicingconstantly.B、Workingbyoneself.C、Learningbydoing.D、Usingprovenmethods.B短文最后一句说,罗伯茨认为,一个人学习全新的东西时,最好是找个没人的地
Todaymanypeoplearestarvingtodeath.【C1】______ashortageoffoodandthe【C2】______foodistooexpensiveforhungrypeopleto
A、She’sgothearttrouble.B、She’sgotalungdisease.C、She’sgothighbloodpressure.D、She’sgotheadaches.D信息明示题。女士说自己总感到头
A、Stayhalfdays.B、Tourthecountry.C、Takealongertour.D、Restthewholeday.B女士说“我想在城市里来个半日游”。男士说“就半日?为什么不游一整天?”本题问“男士建议做什
Whenyourfamilywantstobuyorreplaceacar,atelevision,orawashingmachine,youfindthemoneyeitherfromsavingsorby
Aisforalwaysgettingtoworkontime.Bisforbeingextremelybusy.Cisfortheconscientious(勤勤恳恳的)wayyoudoyour
TheUnitedStatesiswell-knownforitsnetworkofmajorhighwaysdesignedtohelpadrivergetfromoneplacetoanotherinthe
随机试题
A.Aα类纤维B.Aβ类纤维C.Aδ类纤维D.C类纤维传导快痛的神经纤维是
建设工程项目监理机构的组织形式和规模,应根据委托监理合同规定的( )。
( )只传递扭矩而不承受弯矩或弯矩很小。
上市公司()的,中国证监会可能核准其新股发行申请。
某研究所在装运存有放射性物质的铅箱时,一只箱子从车上掉下来,王某(8岁)看见后,即取出箱中的放射性物质玩耍,结果因过量吸收放射性物质而得病。问:王某的治疗费和其他必要费用应由( )。
某企业2013年经主管税务机关核准,按上年应纳税额季度平均数,每季预缴15元,次年进行所得税汇算清缴时确定全年应纳税所得额为300万元,请编写企业当年预缴及次年汇算清缴时的会计分录。
甲公司是增值税税率为17%的一般纳税企业,2011年9月10日甲公司向乙公司销售一批商品,不含税售价为20000元,因属于批量销售,甲公司同意给乙公司10%的商业折扣;同时为了鼓励乙公司及早还款,甲公司规定的现金折扣条件是(按含增值税的售价计算)为:2/
以下与“书山有路勤为径,学海无涯苦作舟”判断不同的是()。
下列关于公民和组织维护国家安全义务的表述,不符合《国家安全法》规定的是()。
Mary,the(old)______ofthethreesisters,runsatravelagencyinNewYork.
最新回复
(
0
)