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RC:CCDCC
D D E C C
错题:又是读得很慢,错得很惨的一天
1)主要还是在讲marine的情况,第一段和第二段没读清楚,有生词就浑了
2)第一段没读仔细,糊了,认为答案在最后一段“implying that global species diversity loss could have been under 1%.”
3)第一段没读仔细,糊了——“However, in groups with less detailed fossil records like fishes and cetaceans, high-latitude species often exhibited simpler, more primitive morphologies.”
文章结构:
P1 the aftermath of K/T extinction is a significant shift in marine plankton species
smaller, less specialized survive VS larger, more specialized demise
primitive migrate to equator,evident in other marine groups as well
eg: hc, bm, bf, younger and more advanced in tropics, older and primitive in higher latitudes
less-detailed fossil records, simpler and primitive in high latitude
P2 KT represented a setback not an evolutionary leap
P3 KT is less dramatic and more protracted
P4 the extent of the K/T extinctions has been significantly overstated.
CR:C D
C E
错题: 如果有别的渠道赚钱,小儿子们就不会去参军;E选项感觉也对,但如果参军不赚钱,小儿子们也不会去参军,此处存疑 |
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