A theory is an organized set of principles that is designed to explain and predict some phenomenon. Good theories also provide s

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问题 A theory is an organized set of principles that is designed to explain and predict some phenomenon. Good theories also provide specific testable predictions, or______, about the relation between two or more variables.

选项 A、hypothesis
B、conception
C、idea
D、meaning

答案A

解析在给出的选项中：hypothesis“假设”；conception“概念”；idea“想法”；meaning“意义”。根据常识可知，科学理论的建构常常是以假设为出发点的。所以，正确答案是A。

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A theory is an organized set of principles that is designed to explain and predict some phenomenon. Good theories also provide s

考博英语

Whethertheeyesare"thewindowsofthesoul"isdebatable,thattheyareintenselyimportantininterpersonalcommunicationis

Whethertheeyesare"thewindowsofthesoul"isdebatable,thattheyareintenselyimportantininterpersonalcommunicationis

Throughouthistorymanhashadtoacceptthefactthatalllivingthingsmustdie.Butpeoplenowlivelongerthanthey【C1】_____

Therelationshipbetweenhusbandsandwivesisoneofthestrongestbondsinoursociety.Itisdeep,passionate,andoften【C1】_

ThestaffofNormandyCrossingElementarySchooloutsideHoustoneagerlyawaitedtheresultsofstateachievementteststhisspr

Incomparisonwiththehumanworldofpasttimes,ourworldishighlycomplex.Becauseofitshighlydevelopedcommunications,e

Agreatdealofattentionisbeingpaidtodaytotheso-calleddigitaldivide—thedivisionoftheworldintotheinfo(informatio

Salesmendependupontheperson-to-personapproachintryingtopersuadeconsumerstobuy.Advertising,however,hastodependu

Sheworkedhardathertaskbeforeshefeltsurethattheresultswould______herlongeffort.

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某女，24岁，突然出现右耳听力下降，伴耳鸣，按之不减，伴头胀、面赤、咽干、烦躁善怒，舌红，脉弦。除翳风、听会、侠溪、中渚外，应加取( )

生产成本的明细账一般采用()。

某企业到甲银行存钱取得存单，再用此存单到乙银行取得质押贷款，之后到甲银行挂失原存单取走存款，这种行为造成的风险属于()。

纳税人在纳税期内没有应纳税款的，也应当按照规定办理纳税申报。()

关于个别督导的优点，下列说法不正确的是()

遗忘的主要原因包括()。

f(x)在[a，b]上连续，在(a，b)内可导，且f’(x)≠0．证明：∈(a，b)，使得．

某女，24岁，突然出现右耳听力下降，伴耳鸣，按之不减，伴头胀、面赤、咽干、烦躁善怒，舌红，脉弦。除翳风、听会、侠溪、中渚外，应加取(　　)