阅读右图,以“Why are frogs in wells?”为题。写一篇短文,分析“井蛙”现象产生的原因,并谈谈自己的看法。词数:不少于120词。注意:开头已给出,不计入总词数。参考词汇:spray insecticide喷洒杀虫剂 2第五部分 书面表达(满分25分)目前,青蛙失去了家园,逃到井里生活。阅读右图,以“Why are frogs in wells?
Why is good grammar important Well, good grammar can save lives! Just c【1】 the difference between "Let's eat, Grandma!" and "Let's eat Grandma!" With the first one, you are i【2】 your grandma over for a lovely meal. The second one sounds like you are excited about cannibalism ...
Why are butterflies important for the environment? If you put post this issue to some kids who love to chase them. Those eager little hands would shoot up into the air and answers like “because they’re beautiful” or “because they make me happy,” also the truth is these answers are ...
Why are endangered species important? Why are frogs considered ecologically friendly? Why is it harder to clone animals than amphibians? How does global warming affect amphibians? Why did the temnospondyls survive the Permian extinction? Why didn't dinosaurs evolve?
Explain why frogs cannot live in salty waters. Why do sperm not survive if they are ejaculated out onto a surface, such as clothing? Why do trees have branches? Why do seals have toes? Why do microbiologists wear laboratory coats? What is the purpose of the lab coat?
Crocodilians are seen askeystone species in freshwater ecosystems. American alligators in Florida for example create and maintain deep ponds that provide a refuge for many species of fish, frogs and snakes during dry periods (Mazzotti et al. ...
I wrote this book to introduce children – and adults – to the diversity of flies around us. Most people think of flies as pests, but they have important jobs in nature. Flies help decompose dead things, they pollinate flowers, they eat pesky insects, and they are a source of food for...
research in sustainable urban development. I think that co-existing with nature is one of the all-important issues for humanity and for an aspiring biologist. I want to contribute to a world where, even if we dissect frogs, we do so with a sense of responsibility, not callous indifference....
Even if these frogs don’t have lungs, they can use their skin for breathing underwater. If oxygen levels are low, they won’t be able to do that, and they’ll need to go to the surface more often and get tired faster. Since frogs interact with water with their skin, it is also...
Each type of plant and animal has specific preferences for where they like to live and what they like to eat. Certain species can only survive in very specific habitats, altitudes, or temperatures. Some are also very sensitive to changes in their habitats. For example, frogs are so sensitive...