C

What’s the red star in the sky through a telescope(望远镜)? It is Mars．Do you want to know more about it? Take the “Mars Orbit Express”!

“Mars Orbit Express”is a space probe (探测器). 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 millon kilometers and seven

months. It reached Mars’orbit(轨道)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.

(   )38．What can you see through a telescope when watching Mars? ________.

A.Much sand    B.A red star      C.Its atmosphere   D.Its size

(   )39．One of the tasks of Mars Orbit Express is _______.

pictures of Mars

ng the weight of Mars

g out distance between Earth and Mars

g the time it takes to go from Earth to Mars

(   )40．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.

(   )41．Which rnight 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

D

Mrs. Thompson came to the 5th grade class and noticed that Teddy was always alone. Also, he did badly in his studies．When she reviewed Teddy’s past records，she find he was a good child at first，but he began to change when his mother got ill. Finally he lost interest in school after his mother’s death.

Mrs.Thompson realized the problem and felt sorry for him．She felt even worse when her students brought her beautifully-covered Christmas presents．His presents were covered with some old paper. Some children laughed when she found a bracelet(手镯)with some of the stones missing, and a bottle with a little perfume(香水). But she said how pretty the bracelet was, putting it on, and dabbing some perfume on her hand．Teddy stayed after schoul for a long time just to say，“Mrs.Thompson，today you smelled just like my mom used to.”After the child left，she cried for quite a long time.

On that very day，she taught not only knowledge but also children. As she worked with

Teddy，his mind seemed to come alive. By the end of the year，Teddy had become one of the

smartest children in the class.

A year later，Teddy left school. She found a note under her door，from Teddy，saying that she was the best teacher he ever had in his life. After that, these words were repeated in each of his letters to her.

Then after he finished college, Teddy wrote telling her that he had met a pretty girl and was going to get married. He explained that his father was dead，and that he wondered if Mrs.Thompson might sit at the wedding in the place for the mother of the groom(新郎).

Of course，Mrs.Thompson did. She wore the bracelet and the perfume that Teddy remembered his mother wearing on their last Christmas together．

They hugged(拥抱)each other，and Teddy whispered in Mrs.Thompson’s ear，“Thank you，Mrs.Thompson，for making me feel important，and showing me that I could make a difference．”

Mrs.Thompson，with tears in her eyes，whispered back，“Teddy，it’s not like that. You were the one who taught me that I could make a difference. I didn’t know how to teach until I met you.”

(   )42．What made Teddy change before Mrs. Thompson came?

A.His mother’s illness and death.

B.His claasmates’ laughing at him.

C.His past records by his teachers.

D.His interest in some other things.

(   )43．Teddy left a note for Mrs. Thompson when he left school mainly to say _______.

e

(   )44．What kind of person was Mrs. Thompson?

A.Wise and humorous.         B.Kind and helpful.

C.Selfish and impatient.        D.Strict and stubborn．

(   )45．We can learn from the passage that _______.

A.Mrs. Thompson became Teddy’s mother at last.

B.Mrs. Thompson didn’t know how to teach all her life.

C.Teddy didn’t finish college before he got married.

D.Mrs. Thompson and Teddy each made a difference.