23. What does the underlined word "They" in the last paragraph refer to?A. Sea animals.B. The seas.C. The satellites.D. Many scientists.24. What can we learn from the text?A. It is difficult to build a navigable submarine.B. The seas have a strong influence on our future....
Because the stands are so far from land, they are home to many plants and animals that can't be found anywhere else.The scientists were exploring the se a floor around the islands, using a special submarine called Alvin to make maps and take pictures and videos of the se a floor. ...
They had large rooms with beautifully decorated walls. The city was equipped with a drainage system, for a great many clay pipes were found beneath the narrow streets. The temple which the archaeologists explored was used as a place of worship from the fifteenth century B.C. until Roman ...
We asked some of our core contributors to outline their preferred time management tools and strategies, as well as the ways that they avoid the burnout that eventually comes for us all. The answers we received paint a fantastic picture of the ways that we are all different, yet similar when...
American submarine, lost for over a century, discovered 'remarkably intact' off the coast of San Diego Rare face tattoos on 800-year-old mystery mummy baffle archaeologists 2,300-year-old gold ring found in Israel was likely buried by a betrothed girl Ancient China: ...
Nothing gets into or out of the submarine except through the hatches (舱口) , and nothing gets into or out of a cell except through "gates" in its cell membrane.What can be said about cell first? It is that they are very small. Your body has about 100 trillion ...
Viruses play important roles in manipulating microbial communities and their evolution in the ocean, yet not much is known about viruses in deep-sea hydrothermal vents. However, viral ecology and evolution are of particular interest in hydrothermal vent habitats because of their unique nature: ...
Huber and Rachel have been studying Ignicoccus for the last dozen years since they described the first two species that had been isolated from samples taken at submarine hydrothermal vents in the Atlantic Ocean, north of Iceland, as well as in the Pacific Ocean[72]. This genus is of ...
would be a good idea if I slept with a transistor radio on my pillow, tuned to the all-news-all-the-time station. It was 1960, and I was falling asleep to interviews about the build-up of nuclear submarine bases, Nikita Khrushchev’sangerissues, and whether ...