According to the woman, what happened 200 to 500 million years ago?

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问题 According to the woman, what happened 200 to 500 million years ago?

选项 A、Some sea creatures developed vertebrae.
B、The first giant squid was captured.
C、Some sea creatures shed their shells.
D、Sea life became more intelligent.

答案C

解析细节复现题。本题的难度相对较低，因为对话中出现数字部分较少，很容易锁定相关答案的出处。原话的意思是“他们在2亿至5亿年之前的这段时间通过脱掉外壳而幸存了下来。”正确选项C虽用some sea creatures替代了they，但没有改变原意。

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专业英语四级

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According to the woman, what happened 200 to 500 million years ago?

专业英语四级

______touchedmemostwasthatthepooroldladydonatedallhersavingstosupportonedropout.

Whatistheconversationmainlyabout?

Mostpeoplehavenoideaofthehardworkandworrythatgointothecollectingofthosefascinatingbirdsandanimalsthatthey

Accordingtothepassage,intensenoisepollutionmayNOTcause______.

Whatistheman’spurposeofbeinghere?

WWW,aWideandWonderfulWorldMostlargecompaniesalreadyprovideInternetconnectionstothedesktopandtheiravailabi

Inthepast,Americanfamiliestendedtobe______.

Theinternationalcommunityshouldreachabroad______onthematterandjointlytackleanymajorsecurityconcernbydialogues

Underno______shouldweseektemporaryeconomicdevelopmentattheexpenseoftheenvironmentandresources.

为解决流水线某道工序设备超负荷问题，企业可以采取的措施有()。

人体死亡后，2小时后可出现

高嵌体基牙牙合面需预备的间隙厚度为

暑淫证候的表现是

按物流活动的主体分类，企业物流可以分为()。

Schoolsecretary:Goodmorning.CanIhelpyou?Student:Yes,I’dliketoenrollforthecourse.Schoolsecretary:______

求过点A(一1，2，3)垂直于L：且与平面π：7x+8y+9z+10=0平行的直线方程．

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一间教室可坐多名学生，则实体教室和学生之间的联系是()。