[单项选择]

Passage Two
What is wind You can feel it, and you can sometimes hear it, too. You can’t see the wind, but you can see all kinds of plants and flowers moving in the wind. Grass moves in the wind. So do trees. What is the wind It is moving air.
What makes the air move Think of two places. They may be close to each other, or they may be far away. The air is cold in one place. But it is hot in the other. Warm air pushes up high into the sky. It goes higher than the cold air. The colder air then moves into the place where the warmer air used to be. The moving air is wind.
Winds move clouds in the sky. A nice day can turn cloudy in a short while. Sometimes the clouds are big and dark. Big, dark clouds hold a lot of water. Soon it begins to rain.
High winds can make a storm come fast. They can make a lot of noise, too. Sometimes they sound like a train going by. Very high winds have picked up big things like cars and trucks from the ground. S
A. light winds
B. clouds
C. high winds
D. loud sounds

[单项选择]

Passage Two
What is wind You can feel it, and you can sometimes hear it, too. You can’t see the wind, but you can see all kinds of plants and flowers moving in the wind. Grass moves in the wind. So do trees. What is the wind It is moving air.
What makes the air move Think of two places. They may be close to each other, or they may be far away. The air is cold in one place. But it is hot in the other. Warm air pushes up high into the sky. It goes higher than the cold air. The colder air then moves into the place where the warmer air used to be. The moving air is wind.
Winds move clouds in the sky. A nice day can turn cloudy in a short while. Sometimes the clouds are big and dark. Big, dark clouds hold a lot of water. Soon it begins to rain.
High winds can make a storm come fast. They can make a lot of noise, too. Sometimes they sound like a train going by. Very high winds have picked up big things like cars and trucks from the ground. S
A. Wind makes cold air higher and warm air lower.
B. Wind can even carry cars and trucks to the sky.
C. Wind makes all kinds of plants and flowers moving.
D. Wind moves clouds in the sky and brings about rain.

[单项选择]What can you conclude from the passage


A. Women are more willing to give help than men.
B. "Dear Angel" is popular among the young people.
C. Experience is more important for giving advice.
D. Americans trust their family members less than their friends.

[单项选择]What can you infer from the passage


A. Charles Darwin was good at every subject at school.
B. Charles Darwin was well prepared to achieve fame before the trip around the world.
C. Charles Darwin was a naturalist when he was in Cambridge University.
D. Chares Darwin never doubted anything in the Bible in his life time.