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After determining the levels of calcium carbonate and the types of fossilized algae present in core samples taken from the bottom of Lake Titicaca in the Andes, a group of scientists was able to reconstruct the history of precipitation in tropical South America over the past 25,000 years.
分析A选项
分析B选项
分析C选项
分析D选项
分析E选项
原句句子结构:After determining the levels of ...and the types of ..., a group of scientists was able to reconstruct the history of...
原句逻辑语义:在确定从 Lake Titicaca in the Andes底部采集回来的样品中碳酸钙的水平和藻类化石的类型,一些科学家们能够重建沉淀在热带南美洲过去25000年的历史。
A.正确;determining的逻辑主语是scientists;
B.主句应该要立马给出主语,it was possible...没有立马给出;
C.无主句;
D.the levels of...and what types不平行;主句没有立马给出主语;
E.错误同D不平行;
286453gff
a group of scientists was????was????
324899shrb回复286453gff
是对的,很迷幻,a team of 是复数,a group of是单数
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2022-07-18 23:12:04
221503xmhh
the levels of AND 后面一定是the types of,排除D、E。接着读我倾向that从句,再接着读,after determing后面的主句一定要有主语,看逗号后面的第一个词,分别是a group of sci, it, that。秒排B、C。
杨淋清
为什么a group of scientists后面加的是was?
进步大于完美
a group of scientists后面+单数吗?
默默
是人决定,所以高清非谓语的主语
拽mat
为什么A 的present 不需要是presented?
子璐回复拽mat
present做形容词,后置定语,意为现存的
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2018-07-16 21:17:19
CAT
笔记: and 前后结构的必须同为句子,同为名称 。必须对称
kisenana
determining 的主语应该是a group of scientists,排除BCD
选项A 正确
选项E (the levels of calcium carbonate) and (what the types of fossilized algae )这里and前后不平行
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句子改错SC
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