首页
登录
职称英语
According to a study published by Dr. Myma Weissman, only one percent of America
According to a study published by Dr. Myma Weissman, only one percent of America
游客
2025-02-25
8
管理
问题
According to a study published by Dr. Myma Weissman,
only one percent of Americans born before 1905 had suffered major depression by the age of seventy-five; of those born since 1955, six percent had become depressed by age twenty-four
.
选项
A、only one percent of Americans born before 1905 had suffered major depression by the age of seventy-five; of those born since 1955, six percent had become depressed by age twenty-four
B、only one percent of Americans born before 1905 suffer major depression by the age of seventy-five; if they are born since 1955, six percent become depressed by age twenty-four
C、of Americans born before 1905, only one percent of them have suffered major depression by age seventy-five, but six percent of those born since 1955 do by the age of twenty-four
D、major depression is suffered by the age of seventy-five by only one percent of Americans born before 1905, and by age twenty-four by the six percent born since 1955
E、Americans born before 1905 suffer major depression by the age of seventy-five only one percent of the time, but six percent of those born since 1955 did so by age twenty-four
答案
A
解析
由两个by时间短语,就可确定其对应修饰的动词均应用过去完成时,前面已提到,含by时间短语的句子要么用过去完成时,要么用一般将来时,此时,两个时间短语均为说话之前的时间,因而就只能用过去完成时。由此判定,仅A符合此要求,而B、C、D、E中的时态都是极其混乱的。
转载请注明原文地址:https://tihaiku.com/zcyy/3972861.html
相关试题推荐
Thewriterhaspublishedmanybooks,______arewellreceivedbythereaders.A、no
Sean’sstrongloveforhiscountryis______inhisrecentlypublishedpoems.A、rel
Americansthisyearwillswallow15000tonsofaspirin,oneofthesafestand
Americansthisyearwillswallow15000tonsofaspirin,oneofthesafestand
IntheUnitedStates,30percentoftheadultpopulationhasa"weightproble
Internetuseappearstocauseadropinpsychologicalhealth,accordingtore
Internetuseappearstocauseadropinpsychologicalhealth,accordingtore
Internetuseappearstocauseadropinpsychologicalhealth,accordingtore
Internetuseappearstocauseadropinpsychologicalhealth,accordingtore
AccordingtotheAmericanfederalgovernment,residentsofHawaiihavethelonge
随机试题
ManypeoplerushedtoCaliforniabecause______.[br]Accordingtotheauthor,
Howwelookandhowweappeartoothersprobablyworriesusmorewhenweare
(79)Inwhatnowseemsliketheprehistorictimesofcomputerhistory,theea
Disasterstruck250millionyearsago,whentheworstdevastationintheeart
Tenyearsago,JoeAllenbeganstudyingadiversegroupofseventhgradersn
奥美拉唑治疗消化性溃疡作用机制是A.抑制H-K-ATP酶,减少胃酸分泌 B.抑
商业银行违反审慎经营规则,逾期未改正的,中国银监会可以采取的监管措施是()。A
材料: 针对如何对待自己做过的数学题,王老师引导并组织学生进行讨论,最后同学们
C
土工织物的隔离作用是指()。A.把土体与水、气隔离开来 B.把不同粒径的土、
最新回复
(
0
)