( ) 5.—Do you believe there are aliens?
—No，because no life in space any information us so far.
A. send;to
B. has sent;to
C. launch;to
D. has launched;to
5. B send ...to…意為"向.•••••發射/寄/送……"。
題目來源：仁愛英語同步練習冊九年級上冊下冊合訂本 > Topic2 I'm excited about the things that will be discovered in the future.
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( ) 4. ―How heavy are you?
—I________ 80 kilos. It influences my health a little.
A. have B. had
C. weigh D. weight
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Our sun is a star. Like all stars,it is a mass of(~"大團)very hot gases. The sun，s energy doesn't come from burning fuels(燃料).
The sun's energy comes from its nuclear fusion(核聚變）.How big is the sun? Its diameter，the distance across its center, is quiet huge. That's more than one hundred times the diameter of
Earth. The sun's volume is more than a million times the volume of Earth. Another way to say this is that the sun could hold one million Earths inside(在.. 內)it.
The sun has different layers(層)of gases. Each layer mixes into the next，like the layers of Earth's atmosphere(大氣).Most of the sun's mass is in its center. It is also very hot. Almost all fusion takes place in the center.
The sun creates energy in the form of heat and light. Even though the sun is a ball of gases, it is made up of several layers. The main layers are the center. There are also other layers. The sun produces huge energy. Its energy mainly comes from its center. The sun is the source of most of the energy on Earth. Without the sun,there will be no living things on earth,including human beings.
根據短文內容，選擇最佳答案。
( ) 1. What are the gases of the sun like?
A. Burning. B. Very hot.
C. Very bright. D. All of the above.
( ) 2. The sun's energy comes from
A. nuclear fusion B. burning fuels
C. X-rays D. layers of gases
( ) 3. The diameter of the earth is about 6300
kilometers. How about that of the sun?
A. About 6300 kilometers.
B. About 63000 kilometers.
C. About 630000 kilometers.
D. About 6300000 kilometers.
( ) 4. What's the meaning of the underlined word " volume " according to the passage?
A.形狀 B.廣度
C.面積 D.體積
( ) 5. What's the last two paragraphs about?
A. The sun has many layers.
B. Where the sun energy is from.
C. How the sun energy is made.
D. The sun is the source of the energy on Earth.
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( ) 2.―Will you come to my birthday party on Sunday?
——Sure. I'm glad I am invited.
A.can B.could
C. are able to D. be able to
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( ) 9. ―Are you late for class again this morning?
―Yes. ，I left my Chinese book at home.
A. What's more
B. What's worse
C. Of course
D. What fun
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( ) 8. When he previews a new lesson，he always with a pencil. It's a good habit.
A. makes mistakes
B. makes marks
C. makes friends
D. makes faces
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5. I think people can live on the moon one day.(改為否定句）
1_______________ people live on the moon one day.
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4. I hope that I can go to the U. S. A. one day.(同義句轉換）
I hope _______ ________ ________ the U. S. A. one day.
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