【OG20-P805-863题】Positing an enormous volcanic explosion at the end_OG18新题

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【OG20-P805-863题】

Positing an enormous volcanic explosion at the end of the Permian period would explain the presence of a buried crater, account for the presence of the element iridium (originating deep within the earth), and the presence of quartz having been shattered by high impact shock waves.

A

account for the presence of the element iridium (originating deep within the earth), and the presence of quartz having been
分析A选项
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B

of the element iridium (originating deep within the earth), and of quartz
分析B选项
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C

the element iridium (originating deep within the earth), and explain the presence of quartz having been
分析C选项
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D

the presence of the element iridium (originating deep within the earth), and explain the presence of quartz
分析D选项
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E

explain the element iridium (originating deep within the earth), and the presence of quartz
分析E选项
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当前版本由 lalala 更新于2017-08-16 11:57:38 感谢由 lalala 对此题目的解答所做出的贡献。

根据平行和简洁性，可知B正确。

题目讨论（8条评论）

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YR700

背单词还是必要的，我不认识Crater, 以为这就是一个元素，所以选了C, 把the element iridium ()当作crater的同位语，

0 0 回复 2020-03-01 07:52:56
cocotang

Pattern 1 - Explain the presence of X, Y, & Z - Correct Pattern 2 - Explain the presence of X, the presence of Y, & the presence of Z - Correct Pattern 3 - Explain the presence of X, Explain the presence of Y, & Explain the presence of Z - Correct

0 0 回复 2019-10-21 11:13:45
TommyMraz

选B给人的感觉难道不是iridium positing吗？

0 0 回复 2019-06-25 16:57:18
TommyMraz

那这句话不用主语吗？谁positing呢？

0 0 回复 2019-06-25 16:55:28
该用户没有名字回复TommyMraz

positing就是主语

0 0 回复 2019-09-20 09:29:52
Maxmaray6

可以继续省略成 the presence of a, b and c 吗

0 0 回复 2019-05-10 19:58:36
vivi54回复Maxmaray6

我觉得可

0 0 回复 2019-09-07 22:03:06
嘉仓佑措

D为什么错误，就是因为表达不如B简洁？然而D没有硬伤啊

0 0 回复 2018-12-24 16:44:16
GMAT必定上700回复嘉仓佑措

D不如B优，of the element iridium, and of quartzthe优于the presence of the element iridium, and the presence of quartz 优于the presence of the element iridium, and explain the presence of quartz

0 0 回复 2019-01-11 17:54:09

cindyGMAT330回复嘉仓佑措

我也选D 可能，逗号后面也要explain the presence of the element iridium, 才能三者平行吧。

0 0 回复 2019-11-20 12:26:14
杀鸡要用宰牛刀

the presence of A, the presence of B. the presence of C. 结构一致省略为。 the presence of A， of B, of C

0 0 回复 2018-12-04 12:36:18
DG

Positing假定，设想，假设( posit的现在分词 ) volcanic explosion火山爆发 at the end of在…结尾，在…末端 Permian period二叠纪 crater弹坑; 火山口，喷火口; 巨爵座; 环形山; 在…上形成坑; 取消; 毁坏; 形成坑; 消亡 account for说明; 导致，引起; 占; 对…负责 iridium铱 originating起源于，来自，产生( originate的现在分词 ); 创造; 创始; 开创 high impact高冲击强度，高冲力 shock waves冲击波( shock wave的名词复数 )

1 0 回复 2017-09-16 18:37:00
加油啊少年回复DG

赞

0 0 回复 2018-01-03 19:23:12

别来无恙回复DG

棒棒的

0 0 回复 2018-09-04 05:33:43

720冲呀回复DG

zan

0 0 回复 2018-11-10 12:10:07