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. ...
The Karen had been sailing in a convoy to Russia when she was torpedoed by an enemy submarine. This was later confirmed by naval official at the Ministry of Defiance after the Elkor had returned home. All the items that were found were sent to the War Museum. New words and expressions ...
emergency surfacing, submarines can rise so quickly they are driven partially out of the water. Submarine parents also remain out of sight, yet able to pop up in the case of an emergency. I admit I'm a submarine mom. My job as a parent is to have fun with my daughters while letting...
Because the islands 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 (潜艇) called Alvin to make maps and take pictures and videos of the se a ...
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 ...
HAVE YOU FOUND HER And every week, there was the unspoken question, the one I didn't know enough to ask myself : Have you found her yet? The one who reminds you of you?Twenty years after she lived at a homeless shelter for teens, Janice Erlbaum went back t... J Erlbaum - 《Red...
Faced with this horrifying reality, the citizens of Luna turned their efforts to con- structing yet another home - one far enough away from the long-suffering Blue Planet. But for this project they require lots of natural resources, far more than the barren Moon can offer. So it's back ...
They have been terrific about asking me how I was holding up as well. We setup communication plan over text and VHF radio to be able to get messages to each other. Now as I look out the window I see that one of those boats has snapped a piling off and is violently rocking. I see...