Types of Animals 动物的种类 With our world being home to vast and incredible species of animals, these animals can be divided into two main categories: those who have a backbone (vertebrae) and those without a backbone (invertebrates). 我们世...
Amphibians are an evolutionary link between water-dwelling animals such as fish and land-dwelling animals such as mammals. Let’s be honest, they are some of the mostfascinating animalson Planet Earth. For example, amphibians have extremely primitive lungs. However, they have thin, moist skin th...
two eyes, a soft body, and a mouth with a hard beak. Its mouth is located in the middle of its body. An octopus has a siphon that it uses for breathing as well as for expelling a powerful jet of water, which helps it to move quickly. Octopuses are...
The largest animals ever to have lived, dwarfing even the largest dinosaurs, all figures about blue whales are awesome. Their circulatory system pumps 10 tonnes of blood through its body using a heart the size of a small car. A child could crawl down the whales' main blood vessel, the aor...
and it is another type of tiny pufferfish. This fish has a bright yellow color. The males have brighter coloring than the females, while the females have dark spots across their bodies. Though it’s a smaller fish, the Imitator will require an aquarium with at least 30 gallons of water....
and it is another type of tiny pufferfish. This fish has a bright yellow color. The males have brighter coloring than the females, while the females have dark spots across their bodies. Though it’s a smaller fish, the Imitator will require an aquarium with at least 30 gallons of water....
结果1 题目All types of water pollution are (harm)___to the health of humans and animals.相关知识点: 试题来源: 解析 正确答案:Harmful解析:本题考查词性转换。be作为系动词,后需接形容词作表语,表状态。因此,空格处填harmful。反馈 收藏
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They protect cacti from animals that eat plants. They also protect cacti from losing water. Most cacti have big roots. They can soak up rain. And the stems of cacti make the plants able to store water for a long time. 1. How many different types of cacti are there in the world? 2...
and it is another type of tiny pufferfish. This fish has a bright yellow color. The males have brighter coloring than the females, while the females have dark spots across their bodies. Though it’s a smaller fish, the Imitator will require an aquarium with at least 30 gallons of water....