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aWhich human factor most seriously threatens the survival of animals? 正在翻译,请等待...[translate] aHabitat destruction. 正在翻译,请等待...[translate] aHow many species of birds, mammals, invertebrates, and plants are endangered? 正在翻译,请等待...[translate]...
解答 答案:D.根据真正主语how many animal species are in the danger of dying out可见空白处应为形式主语,纵观选项,唯有it可担当形式主语,故选D.注意区分主语从句B选项what…is 从句,就对了. 点评 本题考查it 形式主语,结合语义的基础上便能选出正确答案,同时要注意与主语从句不要混淆.练习...
Sadly,humans have interfered with this process, forcing species to adapt more quickly than they are able to.Human action has forced many animals to exist in unnatural conditions by altering their native habitats. Habitat destruction is one of the greatest causes of animal endangerment and extinction...
So how many species of frogs are there in the world? " About 4,000 species are now known to scientists. They are different in size. The smallest frog is less than half an inch and the biggest frog is nearly a foot long. The biggest frog is the Goliath frog. "It's found in ...
Many animals are endangered. Some people argue that we should only protect animals that are useful to human beings. To what extent do you agree or disagree? Give reasons for your answer and include any relevant examples from your own knowledge or experience. Write at least 250 words. Task 2...
Today there are many endangered species in the world. It's time to do something for the animals which are almost extinct. What we should do? First, finding what the source of the situation is. People have destroyed the environment. People have hunted for meat. Actually, wild animals are ...
Animal Species:We don't actually know how many species of animal there are on our planet, and it is quite likely that there are many that will go extinct before we ever learn of their presence. Some estimates place the number of species of animal the range of a fairly modest 1-2 ...
How many new species of monkeys have been identified in Brazil alone over the last year? A. Eight. B. Nine. C. Ten. D. Eleven. 相关知识点: 试题来源: 解析 B 正确答案:B解析:事实细节题。本题询问去年只在巴西一国就新发现多少种猴子。本题答案可以从文章第二段末句得出。选项B为正确答案...
Some of these cats, such as the Maine Coon, are domesticated yet still resemble their wild ancestors. Other cats on the other hand, simply look like soft, snuggly stuffed animals. What Breed Is My Cat? Although it is impossible to determine your cat’s breed without knowing their history,...