The Siamese fighting fish, commonly known as the betta, is a common sight in aquariums around the world. Though betta specimens in aquariums often exhibit vibrant colors, they are usually dull brown and grey in appearance. On average, a Betta measures about 6.5 cm in length. Bettas are terr...
百度试题 结果1 题目What is the most common pet in the world? A. Hamster B. Parrot C. Fish D. Dog 相关知识点: 试题来源: 解析 D 反馈 收藏
摘要: GAY encounters between adolescent boys are common in the hothouse atmosphere of single-sex...收藏 引用 批量引用 报错 分享 全部来源 求助全文 questia.com 相似文献 同作者How safe is unprotected sex between discordant couples to conceive in the highly active antiretroviral therapy era? 1958: ...
This behavior of discus fishes makes them as a common aquarium fish. It is native to the Amazon basin of South America, found in blue, brown, green, reddish and golden colors. They are very social, always travel in groups. Sea turtles and large fishes are the main predators of discus ...
The papermaking invention and the dissemination, enable the writing the carrier cost to obtain the large scale drop, the knowledge has been able to realize in common people's popularization, thus enormous impetus world science and technology, economical development.[translate] ...
The floating bell (Phyllorhiza punctata), also known as the white-spotted jelly, is a medium-sized jellyfish with a bell that only develops to around 20 inches (or half a meter) in diameter. The mushroom-like bell is brownish-blue with white spots, hence the other common name.It...
t bind us together in common activity are so ___ that they can disappear at any moment.(99.1---60) . trivial . fatal C. tentative D. feeble . ertain species . isappeared or became ___ as new forms arose that were better adapted to the . orms arose that were better adapted to...
Fancy-tail guppies are one of the most common guppies in the world. They are also known as fan-tailed guppies or fantail guppies. ©Karel Zahradka/Shutterstock.com Guppies, which are native to South America, are easily one of the most popular colorful freshwater fish you can keep in your...
Here's a list of the most threatened animal species in the world. It approximates how many of each exist in the wild and also indicates which efforts, if any, are being used to save them.
Most of the houses in the capital don't have piped water... 首都的大部分房屋没有自来水。 柯林斯高阶英语词典 By stopping smoking you are undoing most of the damage smoking has caused... 通过戒烟可以消除吸烟造成的大部分危害。 柯林斯高阶英语词典 The President himself won the most votes... ...