These are some of the most endangered(濒临灭绝的)animals in the world.Animals are very important to us. They are also apart of the world. We should protect them and sharethe same world with them.根据材料内容选择最佳答案。()1. Why do scientists study animals?A. Because they want to know...
四、用所给词的适当形式填空1. The scientists are doing a lot of r___ about how to protect animals
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Some people say it is acceptable to use animals for our benefit, others say it is wrong to exploit them. Discuss both points of view and give your opinion. Give reasons for your answer and include any relevant examples from your own knowledge or experience. Write at least 250 words. Task...
Scientists do not entirely agree on whether animals are conscious or to what level they are self-aware. Some animals show signs of consciousness, such as recognizing themselves in the mirror or reacting to the death of other animals. But, scientists have not yet found proof that animals are ...
C1.B 由第一段中的“how do they know who's who可知,现在科学家在研究猴子时面临的问题是如何区分它们。故选B。2.C 由第二段中的“In the past scientists had to makemarks on each of the animals to distinguish them."可知选C。3.C由倒数第三段的内容可知,是猴子多毛的脸和毛发的颜色让它们的面...
When scientists go to a forestto study monkeys and their habits and behaviors, how do theyknow who's who?In the past, scientists had to make marks on each of the animals to recognize them. But in thefuture, they may have a much easier way to tll them apartthanks to facia recognition ...
题目Animals can be reproduced by technology now; researchers can clone them. A clone is an exact copy of another animal or plant. Scientists have cloned a sheep which they have named Dolly. Researchers took genes from a ewe (母羊) and used them to create a copy (Dolly) o...
Some animals can sense the earth's magnetic field (磁场),while humans can't.This magnetic field guides a certain kind of fish when they swim a long way to a place and then back.How can this kind of fish do that?It is still a mystery.Scientists have no good answers ...
Our very ancient animal ancestors had tails. Why don’t we have them now? 我们非常古老的动物祖先有尾巴。为什么我们现在没有它们? From the time of Charles Darwin, a scientist from the 1800s who studied evolutionary biology, scientists have questioned why and how this happened. 从1800 年代研...