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What’s the red star in the sky through a telescope(望遠鏡)? It is Mars. Do you want to know more about it? Take the “Mars Orbit Express”!
“Mars Orbit Express” is a space probe (探測器). It was sent towards Mars by American scientists on August 12th，2005. Its tasks are to study Mars’ atmosphere and return photos to Earth. But before that “Mars Orbit Express” must travel about 100 hundred million kilometers and seven months. It reached Mars’ orbit(軌道)in March，2006.
Mars and Earth have similar weight and size. However，Mars is closer to the sun than Earth. Mars is very cold. The average temperature is below 50℃. The temperature at noon only reaches 20℃ during a Mars day. Its atmosphere is mostly CO2. It has much sand and two moons---Phobos and Deimos.
Scientists think Earth and Mars had similar beginnings 4.6 billion years ago. But while Earth supports millions of lives，Mars becomes bad. “Earth easily could have turned out like that.” said an scientist, “It is important for us to find out why and Mars Orbit Express’ should do that.” “Mars Orbit Express” also would help scientists to learn what might happen to Earth in the future. “Mars Orbit Express” would work for about four years.
小題1: What can you see through a telescope when watching Mars? ________.

A．Much sand

B．A red star

C．Its atmosphere

D．Its size

小題2:One of the tasks of Mars Orbit Express is _______.

A．taking pictures of Mars

B．studying the weight of Mars

C．finding out distance between Earth and Mars

D．telling the time it takes to go from Earth to Mars

小題3:Compared with Earth，_______.

A．Mars has a long history	B．Mars is big and heavy
C．Mars is close to the sun	D．Mars’ atmosphere is mainly O2.

小題4: Which might be the proper title for the passage?

A．Mars：differences from Earth	B．A probe：to learn more about Mars
C．Mars: change of temperature	D．A probe：to tell the future of Earth

小題1:B
小題1:A
小題1:C
小題1:B

小題1:根據What’s the red star in the sky through a telescope(望遠鏡)? It is Mars.可知選B。
小題1:根據Its tasks are to study Mars’ atmosphere and return photos to Earth. 可知選A。
小題1:根據However，Mars is closer to the sun than Earth.描述可知選C。
小題1:根據“Mars Orbit Express” is a space probe (探測器).及短文描述可知本文主要是講述探索火星的故事，故選B。

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A．he didn’t have enough sleep

B．it wasn’t time for him to get up

C．he didn’t want to go to school

D．he wanted his mother to wake him up

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