1. (2022·泰州) 阅读理解

 

Daniel, Sandy and Simon are in the lab.

Simon: Let's do an experiment. I fill a jar(罐子) with water. I cover the top with a piece of cardboard(纸板) and hold it there. Then I turn the jar upside down and take my hand off the cardboard. Can you guess what will happen?

Daniel: I think the floor will get wet. We should do this experiment outside, Simon.

Sandy: I think the cardboard will hold the water.

Daniel: I don't think so.

Sandy: You think the water will pour out, Daniel. I think the water will stay in the jar. Let's do the experiment to test whose opinion is correct.

Simon: Good idea, Sandy. That is called the scientific method.

Sandy: I am so sure of my opinion that Simon can do the experiment over your head and I know you won't get wet.

Daniel: Well, let's try.

Simon: Are you ready, Daniel?

Daniel: No! Wait! (He puts on a raincoat and sits down.) Now I think I'm ready.

Sandy: Simon, take your hand off the cardboard.

Daniel: No!

(Daniel closes his eyes tightly(紧紧地), and Simon takes his hand off the cardboard. The water stays in the jar.)

Sandy: See, Daniel!

Daniel: How is that possible?

Simon: The force(力) of the air keeps the water in the jar. It is strong enough to hold the water.

Daniel: Wow!

Simon: So what have we discovered?

Sandy: We have discovered the air pressure(压力) helps the cardboard hold the water in the jar.

Simon: Right. What do you conclude, Daniel?

Daniel: I conclude that air is stronger than I thought.

1. （1） How does Daniel feel during the experiment?

   A . Excited. B . Nervous. C . Tired. D . Unhappy.
3. （2） What keeps the water in the jar according to the result of the experiment?

   A . Simon's hand. B . The water pressure. C . The force of the air. D . The force of the jar.
5. （3） Which of the following is the right order of the experiment according to the script?

   ① Put a piece of cardboard over the jar.

   ② Fill the glass jar with water.

   ③ Take the hand off the cardboard.

   ④ Turn the glass jar over quickly and hold the hand on the cardboard.

   A . ②①④③ B . ①②④③ C . ①④③② D . ②③①④
7. （4） The underlined word "that" refers to(指的是) ________.

   A . Sandy's guessing B . Daniel's opinion C . doing an experiment D . discussing with others
9. （5） What does the script mainly tell us?

   A . Teamwork can help solve problems. B . Safety is important when doing experiments. C . The air pressure is always strong enough to hold the water. D . Correct conclusions can be got through doing experiments.