The passage is chiefly about . It can be inferred from the passage that.

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问题 The passage is chiefly about ______.
It can be inferred from the passage that______.

选项 A、new radio devices should be developed for tracking the endangered blue whales
B、blue whales are no longer endangered with the use of the new listening system
C、opinions differ as to whether civilian scientists should be allowed to use military technology
D、military technology. has great potential in civilian use

答案D

解析

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本试题收录于：公共英语四级笔试题库公共英语（PETS）分类

公共英语四级笔试

公共英语（PETS）

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The passage is chiefly about ______. It can be inferred from the passage that______.

公共英语四级笔试

公共英语（PETS）

Somemodemcitiesareusuallyfamousforpeoplewholiveaverylongtime.

Somepeoplelearnbestwhenaclassroomlessonispresentedinanentertaining,enjoyableway.Otherpeoplelearnbestwhenale

Youhavereadinamagazineanarticleonthepositiveandnegativeaspectsofthepresentexaminationsystem.Writeanarticle

Opinionpollsarenowbeginningtoshowthat,whoeveristoblameandwhateverhappensfromnowon,highunemploymentisprobabl

Childrenwhogriptheirpenstooclosetothewritingpointarelikelytobeatadisadvantageinexaminations,【31】______tothe

Childrenwhogriptheirpenstooclosetothewritingpointarelikelytobeatadisadvantageinexaminations,【31】______tothe

RecentsurveysshowthatJapaneseyouthhavebecomea"MeGeneration"thatrejectstraditionalvalues."Around1980manyJa

WhenDonaldOlayerenrolledinnursingschoolnineyearsago,hisfathertookithard."Here’smyfather,asteelworker,hearing

Thenursingstaff______.Whichofthefollowingisnotmentionedbytheauthor?

Thenursingstaff______.Whydon’tnursesstudyforasmanyyearsasdoctors?

采菊东篱下，悠然见南山。悠然：

一般学习成绩不很突出的学生，会在社交方面有出色的表现，这在心理防御机制上称为

造成牙周病患牙齿松动的原因中不包括A．牙周韧带炎症B．牙合创伤C．牙槽骨吸收D．夜磨牙E．根纵裂

痢疾的病位在

患者男，71岁。诊断为阿尔茨海默病，目前临床最常用的治疗药物是()。

下列关于期货合约持仓量的描述，正确的是()。

春秋战国时期，创建于齐桓公年间的__________是当时唯一的官办高等学府。

“田人佃手，其狡黠者逋负租税，莫可谁何。业经转手，佃乃虎踞，故有久佃成业之谣”，这一状况出现于()。

(2000年)设函数f(x)在[0，π]上连续，且∫0πf(x)dx=0，∫0πf(x)cosxdx=0，试证：在(0，π)内至少存在两个不同的点ξ1，ξ2，使f(ξ1)=f(ξ2)=0。

快速原型模型的主要特点之一是(49)。

The passage is chiefly about . It can be inferred from the passage that.