细节理解题。根据第三段第一句“Last week Scott told how he had visited his homeland, helping to save wildlife on Kangaroo Island off the coast of Adelaide.”,可知,上周Scott讲述了他如何访问自己的祖国,帮助拯救阿德莱德海岸袋鼠岛上的野生动物。故选B。
【26题详解】
词义猜测题。根据划线词所在句后半部分“... but there is the hope that when the baby is a little stronger he will be able to be returned to his mother.”句意及句中表示转折关系的连词but 可判断此处单词为“分别地,各自地”之意,A 项符合;而其他选项都不符合语境,故选A。
【27题详解】
主旨大意题。通读全文并结合第三段第一句Last week Scott told how he had visited his homeland, helping to save wildlife on Kangaroo Island off the coast of Adelaide.可知,本文作者主要介绍了在澳大利亚森林大火后受伤的考拉得到人们尤其是Dr. Scott救助的故事,故选D。
C
“While animals can’t pick out precise numbers, they can understand that more is more. Interestingly, we know now that numerical(数值的)competence is present on almost every branch of the animal tree of life,” says Andreas Nieder, a neurobiologist from the University of Tuebingen. “Different groups of animals obviously developed this trait(特点)independently from others and that strongly indicates that it has to be of adaptive value.”
Honeybees, for instance, can remember the number of landmarks they pass when searching for food in order to find their way back to the hive. The last common ancestor between honeybees and primates lived about 600 million years ago. But still, they evolved numerical competence that, in many respects, is comparable to vertebrate(脊椎动物的)numerical competence. Also, for example, male frogs sing “advertisement” calls to attract females. The females, listening for the complexity of their calls, choose the male that sings the most calls.
Wolves are more likely to hunt successfully if they have the right number of wolves in their pack for
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