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Analysis of 47.5-million-year-old fossils from Pakistan has yielded fresh insights into the early ancestors of modern whales. Fo
Analysis of 47.5-million-year-old fossils from Pakistan has yielded fresh insights into the early ancestors of modern whales. Fo
admin
2022-10-11
119
问题
Analysis of 47.5-million-year-old fossils from Pakistan has yielded fresh insights into the early ancestors of modern whales. For example, Maiacetus inuus was a land animal (i)________life in the sea. One Mariacetus inuus fossial encased a fetus positioned for a head-first delivery, which is typical of a land mammal and suggests the species gave birth onshore. But it probably spent much of its time (ii)________: its big teeth were suited for catching fish, while its flipper-like feet must have been (iii)________walking.
Blank (i) Blank (ii) Blank (iii)
A. resistant to D. in the water G. incompatible with
B. removed from E. fleeting from predators H. clumsy for
C. adapted to F. protecting its young I. strengthened by
选项
答案
C,D,H
解析
通读句子:对于来自巴基斯坦的4750万年前的化石的分析为现代鲸早期祖先的研究提供了新的见解。举个例子,慈母鲸是一种(i)________海洋生活的陆地动物。一个慈母鲸化石中包含了一个胎儿,采用的是头先出来的分娩方式,这种分娩方式是陆地哺乳动物典型的特征,说明这个物种是在陆地上分娩的。但是它可能花了大量的时间(ii)________:它的大牙齿适合抓鱼,同时它像鳍一样的脚一定(iii)________走路。先做空格(i),通读句子我们可知,这是一个可以在水里生活的陆地动物,所以空格(i)选C项adapted to(适应)。空格(ii)所在部分的逻辑连接词为but,表转折,转折前后语义相反,转折前描述的是陆地动物的特征,转折后则应该表示非陆地生物的特征,因此空格(ii)选D项in the water(在水里)。再做空格(iii),逻辑连接标志为冒号,表示解释说明,冒号前后语义相同。冒号之前说它可以在水里生活,walking(行走)是陆地动物典型的特征,因此它的脚应该是不擅长走路的,所以空格(iii)选H项clumsy for (对于……是笨拙的)。注意,不能选G项incompatible with(与……无法共存,与……不能兼容)。G选项表示的是这个动物完全不能走路。但根据前面可知,这是一个陆地生物,因此它可以走路,我们只能说它的脚不擅长走路而不是不能走路。
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