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
专升本
To discover whether bees can see colors, the following experiment is set up. A table is put in a garden, and on the table is a p
To discover whether bees can see colors, the following experiment is set up. A table is put in a garden, and on the table is a p
admin
2011-03-26
79
问题
To discover whether bees can see colors, the following experiment is set up. A table is put in a garden, and on the table is a piece of blue cardboard (硬纸板) with a drop of syrup (糖浆) on it. After a short time, bees come to the syrup. The bees then fly to their hive (蜂窝) and give the syrup to other bees in the hive. Then they return to the feeding-place which they have discovered. After a while, the blue cardboard with the syrup on it is taken away. Instead of this card, a blue card is now put on the left side of the first feeding-place and a red card to its right. These now cards have no syrup on them. Thus, the blue card is on the left, the red card on the right, and there is nothing where the first blue feeding card used to be. Very soon bees arrive again, and fly straight to the blue card. None go to the red card.
To do the experiment, altogether how many cards do you need to prepare?
选项
A、Two, one blue and one red.
B、Three, two blue and one red.
C、Three, one blue and two red.
D、Four, two blue and two red.
答案
B
解析
转载请注明原文地址:https://kaotiyun.com/show/JqvC777K
本试题收录于:
英语题库成考专升本分类
0
英语
成考专升本
相关试题推荐
Before1914femalesecretarieswererarebecausethey______.Afemalesecretaryhasbeenexpected,besidesotherduties,to__
WhataresomeoftheproblemsthatChromiumⅥcancause?WhydoesDr.SterngoldthinkthattheRemcochrome-platingplantwasr
WhataresomeoftheproblemsthatChromiumⅥcancause?HowmuchChromiumⅥisasafeamount?
Thesingergavean______(accept)performance,butitwasnotoutstanding.
ThefestiveChristmasdinnerwasamerryone,and______joinedinthegeneraljollity.
PiotrekKowalski,18,comesfromPolandandwouldlikeapenpalwhoisinterestedindiscussingthecurrentpoliticalsituation
Newproblemsarelikelyto______whentheeconomicdevelopsrapidly.
NewshasjustbeenreceivedofanaircrashinthenorthofEngland.Theplane,whichwasonacharter(包租)flightfromLondonto
Thefire______twopersons’property.
ItwasSunday.Thetrainswerecrowded.Agentlemanwaswalkingalongtheplatform【21】aplace.Inoneof【22】hesawavacantseat
随机试题
(Had)Paulreceivedeight(more)votesinthelastelection,he(wouldhavebeen)ourchairman(now).
患者男性,43岁。因发热1个月余、加重伴咳嗽、血痰2周而入院。近1月来出现不规则发热,以下午低热为多,有盗汗;近2周出现高热,渐出现咳嗽,咳血痰,经规律抗菌药物治疗无效。曾为长途车司机,有冶游史。近3年有静脉吸毒,而后逐渐消瘦,体重下降约10kg。入院体检
鲁天(男)与谢威(女)于1989年结婚,婚后二人感情不和,常为琐事争吵。谢威多次与鲁天协商离婚,均因财产处理问题无法达成一致而未成。2009年3月谢威向法院提起诉讼,要求解除与鲁天的婚姻关系。据此,请回答下列问题。如果鲁天在2009年3月谢威向法院起诉
在建设工程定额计价模式下,投标人投标报价中的间接费内容和取费标准是由(C)。
可变现净值是指在正常生产经营过程中,以预计售价减去进一步加工成本和预计销售费用以及相关税费后的净值。()
王老师制作的一个Word文档的部分截图如下图所示,两个方框处的数字表示该处()。
小数法则是一种心理偏差,是指人们将小样本中某事件的概率分布看成是总体分布,抓住问题的某个特征直接推断结果,而不考虑这种特征出现的真实概率及与特征有关的其他原因。根据上述定义,下列属于小数法则的是:
下列对类的声明,正确的是()B
Itisagenerallawinpolitics,thatthepowermosttobedistrusted,isthatwhich,possessingthegreatestforce,istheleas
Duringrecentyearswehaveheardmuchabout"race":howthisracedoescertainthingsandthatracebelievescertainthingsand
最新回复
(
0
)