The babies grow inside the mothers' bodies until they're born. And the babies drink the mothers' milk. But platypuses(鸭嘴兽) are special mammals. They lay eggs. All mammals have warm blood. They can warm up and cool down their bodies. A polar bear living in the snow has the same ...
Directions: For this part, you are allowed 30 minutes towrite an essay that begins with the sentence“With their valuable skills and experience, elderly people can continue to make significant contributions to society," You can mak...
and colleagues used the puzzle-dwell /dwel/ v.居住; 栖身box model to test innovation ability in 140 zoo-dwelling mammalian/mae'merlon/ a.哺乳动物的animals representing 39 species of mammalian carnivore,carnivore /'ka:nIv5:(r)/ n.食肉动物from the polar bear to the snow leopard to the ...
Question 7 and 8 are based on the following news. At the end of the news item, you will be given 20 seconds to answer the question. Now listen to the news. 7.What did the researchers discover in northern Kenya? [A] A human tooth. [B] A human skull. [C] Three species of huma...
Black bears are common in North America and are the smallest of all bear species. They have black fur, but sometimes it can be brown or even blond! Black bears are omnivores and like to snack on anything from nuts and berries to insects and even the occasional small mammal or fish. ...
They will be killed by other loss of habitat, they are likely to become endangered in animals.the foreseeable future. B. Their habitat will become less and Although many scientists say that human activity is less.directly responsible for the melting se a ice, the new polar bear protections ...
1、【简答题】What is the difference between politician and statesman?答案:The connotative meanings are different. The former is derogatory and the latter is favorable.--- 想了解更多相关知识,可以私信我 “你好” 即可获取 答案 2、【连线题】Match the underlined words with their meanings.答案:正确...
A day in the life of a sun bear is what you might expect from the name:sunny. In its natural habitat, the sun bear spends over 80 percent of its active waking time in daylight.But when disturbed by human activity, that changes dramatically. In areas where people are pushing into the...
①The merchants of Arab are doing their things all of the world.(n.商人) ②He is a wholesale merchant.(n.批发商) ③This is a merchant ship of 5,000 tons.(adj.海上货运的) 2.negotiate vt.商定;达成(协议) vi.谈判;...
Directions: Suppose your university student union is planning to hold a speech contest. You are now to write a proposal for organizing the contest. The proposal may include the topic, aim, procedure and selection of contestants. You will have 30 minutes to write the proposal. You should write...