首页
登录
职称英语
From the passage we know that piglets______. [br] [originaltext] Piglets may
From the passage we know that piglets______. [br] [originaltext] Piglets may
游客
2023-11-18
17
管理
问题
From the passage we know that piglets______. [br]
Piglets may be happy wallowing in the mud, but they get a much better start in life if they are nurtured on a warm waterbed. Instead of snuggling up to their mothers for warmth in their cold pigsty and running the risk of being crushed a common cause of early death-German scientists said waterbeds could be a safer alternative.
When Martin Ziron and researchers at the Institute of Animal Breeding and Genetics in Giessen, Germany tested various heating methods on 1,400 piglets during their first weeks of life, waterbeds won hands down.
"Around 99 percent of the piglets preferred warm waterbeds to any of the alternatives, spending well over half the day lounging about on them and only getting up to feed or play," New Scientist said Wednesday.
The scientists compared the number of injures, which usually occur while scrambling for a feeding position, and the weight gain of the piglets which were provided with plastic plates, foam mats waterbeds, straw or concrete. Piglets on the waterbeds had fewer injuries and gained much more weight than the animals kept on concrete.
According to the magazine, the waterbeds are made from a tough plastic membrane and can be heated from underneath by an electric mat or from above by infrared lamps.
选项
A、They can be heated by electric mat or infrared lamps.
B、They are made from tough plastic membrane.
C、They are the best choice in the scientific test.
D、They are much safer for the piglets but hard to control.
答案
D
解析
转载请注明原文地址:https://tihaiku.com/zcyy/3197059.html
相关试题推荐
Whenwasthepaintbrushfirstutilized?[br][originaltext]Anancientpain
WhichisNOTtheRussiangovernment’sactionaftertherescue?[originaltext]
TileAmericansgotothecinemamainlyto______.[br][originaltext]Movies
WhatisNOTtruetothatWorldCup?[br][originaltext]Therehaslongbeen
Whowastheonlypersonhavingsurvivedthecrash?[br][originaltext]The
Whatisthetalkmainlyabout?[br][originaltext]Thereisanartexhibiti
Whatisthetalkmainlyabout?[br][originaltext]Thereisanartexhibiti
Whatisthetalkmainlyabout?[originaltext]Thereisanartexhibitionher
Whatwasthewoman’sproblem?[br][originaltext]M:Hi,Sarah.What’sup?W:Oh
Whatwasthewoman’sproblem?[originaltext]M:Hi,Sarah.What’sup?W:Oh,hi,
随机试题
Americans’circleofcloseconfidantshasshrunkdramaticallyinthepasttw
(1)Asunpleasantemotionsgo,anxietyisthesketchiest.It’savague,pit-o
数据库系统的构成不包括( )。A.数据库 B.数据库管理系统 C.应用软件
不属于七厘散处方的药物是A.血竭B.红花C.儿茶D.没药E.牛膝
根据助人自助的理念,在某个家庭面临贫困时,社会工作者的服务内容主要包括()
下列关于内部控制的相关考虑中,注册会计师不认可的是()。A.被审计单位通常
一般认为导致水体富营养化的主要原因是()的增加。A.氮、磷 B.pH、叶绿素A
(2014年真题)投标人以行贿手段谋取中标的法律责任不包括()。A.由工商行
下列选项中,属于有机压电材料传感器的压电材料的为()。A.钛酸钡 B.锆
中暑的病因不包括( )。A.汗腺功能障碍 B.散热障碍 C.饮水过多 D
最新回复
(
0
)