首页
登录
职称英语
Animals seem to have the sense to eat when they are hungry and they do not e
Animals seem to have the sense to eat when they are hungry and they do not e
游客
2023-07-10
32
管理
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】______ [br] 【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://tihaiku.com/zcyy/2825670.html
相关试题推荐
A、Supportingthesoil.B、Providingshadeforanimals.C、Looseningsoilstructure
Theworldisnotonlyhungry,but【B1】______forwater.Thatwayseemsstrange
Theworldisnotonlyhungry,but【B1】______forwater.Thatwayseemsstrange
Theworldisnotonlyhungry,but【B1】______forwater.Thatwayseemsstrange
Theworldisnotonlyhungry,but【B1】______forwater.Thatwayseemsstrange
Ihavebeenstudyingthenatureofthe"loweranimals"andcontrastingitwi
Ihavebeenstudyingthenatureofthe"loweranimals"andcontrastingitwi
Ihavebeenstudyingthenatureofthe"loweranimals"andcontrastingitwi
Ihavebeenstudyingthenatureofthe"loweranimals"andcontrastingitwi
AnimalsontheMoveItlookedlikeascenefrom"Jaw
随机试题
AGermanfirmismakingatake-over______forapropertycompany.A、applicationB
Naturalhistoryfanswillprobablybefamiliarwiththenineseasonsofthe
Somepeople’searsproducewaxlikebusylittlebees.Thiscanbeaproblem
【B1】[br]【B3】A、multipleB、singleC、unilateralD、fewA逻辑分析题。重复上文提到的“多文化”。
年太阳辐射量大于4200MJ/㎡、年极端气温不低于-45℃及日照时数大于()
在接收邮件时,客户端代理软件与POP3服务器通过建立( )连接来传送报文。A.
关于圆弧形态,下面表述正确的有( )。 Ⅰ圆弧形态形成时间越长,反转力度
胎头吸引术的禁忌证是A.第二产程延长 B.无头盆不称 C.宫颈口开全 D.
就看涨期权而言,期权合约标的物的市场价格()期权的执行价格时,内涵价值为零。A
A.张口受限,咀嚼时痛,口内上颌结节后方有压痛 B.张口受限,吞咽时痛,腭垂偏
最新回复
(
0
)