Passage 1Here's how to make a model submarine(潜水艇) that dives and comes up from underwater like a real one.plastic bottle; tape; four coins; thin plastic tube(管子); waterproof modeling clay You'll need(防水黏土);small scissors;tub(盆)1. Cut two small holes on one side of the ...
根据第一段Here's how to make a model submarine that dives and comes up from underwater like a real one.(以下是如何制作一艘像真实潜艇一样从水下潜水和上升的模型潜艇。)可知这是制作能潜水并从水下像真实潜艇一样上来的模型潜艇的方法。故选B。(2)细节理解题。根据You'll need部分可知需要Plastic ...
D.How to make a model submarine.2. What does the underlined word “it” probably refer to? A.The plastic bottle. B.The plastic tube. C.The thin rubber. D.The bathtub.3. If you blow into the tube, the bottle will ___. A.become empty B.sink fast C.fill with water D.go up4...
Why Ships Sink So close, yet so far away. Stockbyte/Getty Images Ships and boats are made to float on top of the water, but there are quite a few things that can go wrong to turn your boat into a submarine. Taking on water is inevitable -- large waves often break over the si...
This displacement of water creates an upward force called the buoyant force and acts opposite to gravity, which would pull the ship down. Unlike a ship, a submarine can control its buoyancy, thus allowing it to sink and surface at will. To control its buoyancy, the submarine has ballast ...
C Here is how to make a model submarine(潜水艇) that dives(潜水) and comes up from water like a real one.You'll need:Plastic bottle●Tape(胶带)Four coins Small scissors Bathtub()●Thin rubber(橡胶的) or plastic tube(管子)●Waterproof(防水的) modeling clay(黏土)—not real clay, which...
C Here's how to make a model submarine(潜艇) that dives(潜水)and comes up from underwater like a real one.Step 1. Cut three small holes in a with modeling line with the scissors on one side You'll need clay if the straw is loos of the bottle. Tape coins to that. Plastic bottle...
It might seem like a(n)___effort to some people. But this man risked his job—his only source of income—just to feed a tiny cat___no one else cared for. It was a very heartwarming thing to see. 1. A.surprisedB.naturalC.fineD.clear 2. A.wouldB....
Captain Brendan is fed up with Kkangpae and his gang, so he tasks you with eliminating the leader on his yacht. To avoid detection, he advises using a submarine to disarm the mines placed nearby. Use the submarine to reach Kkangpae. Image Via Rockstar Games. ...
My friend was checking a lead in an offset sink... Offset sinks are physically distant from the main cave conduit, so while a primary trunk passage may have lots of clear groundwater, an offset sink won't get much water circulation, so rainwater and runoff will tend to stay there for ...