单选题：Dr.BruceMcEwenofRockefellerUniversitybelievesthat________.

题目分类：英语四级
题目类型：单选题
查看权限：VIP

题目内容：

Dr.BruceMcEwenofRockefellerUniversitybelievesthat________. A．aperson’smemoryisdeterminedbythelevelofhormonesinhisbody
B．stresshormoneshavelastingpositiveeffectsonthebrain
C．shortburstsofstresshormonesenhancememoryfunction
D．aperson’smemoryimproveswithcontinuedexperienceofstress

参考答案：

答案解析：

Frito-Lay’sexecutivesclaimthatthepromotingofAmericanfoodinth

Frito-Lay’sexecutivesclaimthatthepromotingofAmericanfoodintheinternationalmarket

分类：英语四级题型：单选题

查看答案

Around 80 percent of the（　　）characteristics of most white Br

Around 80 percent of the（　　）characteristics of most white Britons have been pass

分类：英语四级题型：单选题

查看答案

Mr.Flinkarguedinhisbookthatcarswouldnotbewidelyusedinotherco

Mr.Flinkarguedinhisbookthatcarswouldnotbewidelyusedinothercountriesbecause______

分类：英语四级题型：单选题

查看答案

It is clear that the wealth enjoyed by most whites（　　）

It is clear that the wealth enjoyed by most whites（　　）A．has resulted from busine

分类：英语四级题型：单选题

查看答案

How does the author view the Social Security system?

How does the author view the Social Security system?A．It encourages elderly peop

分类：英语四级题型：单选题

查看答案