--_Jane won the first prize in the English speech contest.
--_ big progress she has made! She used to be weak in English.
A. How B. How a C. What D. What a
—The stuntman is planning to walk on the wings of a flying plane.
—What?! I've never heard of idea before.
A. a crazier B. the crazier
C. a craziest D. the craziest
If we don't pay much attention to the , the pollution will get worse and worse.
A. Development B. environment C. government D. treatment
---What do you think of the vegetable soup?
---Well, it a little salty.
A. looks B. smells C. sounds D. tastes
Good news! We'll have one-day holiday. Let's go on a spring outing.
A. a B. An C. the D. /
Jack is going to be a pilot. He wants to fly an airplane. But Jack is not a rich man. He doesn’t have an airplane. He has only a chair. Jack ties(系）45 big balloons(气球）to his chair and then sits in the chair. His chair goes up.
For a few minutes, everything is fine. The view from the chair is beautiful. Jack can see houses and trees below him. He is happy. He is flying.
The chair goes up very high. Jack is afraid. “I don’t want to go very high，” Jack thinks.“I want to go down a little.” With a small gun(枪)，Jack shoots l0 balloons. Then something terrible happens. Jack drops the gun, and it falls to the ground. Jack can’t shoot more balloons. The chair goes up and up.
Jack is three miles above the ground. Airplanes are flying over him and under him Jack has a small radio. “ Help! Help!” he says into the radio. “ I’m flying in a chair, and I want to come down!” People hear Jack, but they can’t help him.
Jack flies in the chair for 45 minutes. Then the balloons begin to lose air. Slowly the chair comes down, and Jack is back on the ground. He is not hurt.
根据短文内容，回答下列问题。
1.What does Jack want to be?
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2.Why does the chair go up into the air?
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3.What does Jack do when the chair goes up higher and higher?
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4.Do the airplanes give him any help?
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5.Why does the chair come down at last?
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