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. it's great fun for people to fly a kite in light wind
B. what is wind
C. high winds are very dangerous
D. people can feel wind, hear wind but can't see wind
You really have to get very old before you realize you’re old. I’m in my middle fifties and l don’t feel (21) yet. However, sometimes I look back at my childhood and (22) things to the way life is for (23) kids, some things have certainly changed.
One area of change is (24) . Some changes have been improvements. Some changes, on the other hand, have been (25) .
When I started school, most people didn’t have a television; TV was just beginning to get (26) . My father decided to go all out and buy a 16-inch black and white Motorola (27) . I still remember watching the Lone Ranger save people from the (28) guys on that awesome electronic machine. That was exciting!
Now, (29) have larger pictures in full color. The pictures are clearer and the sound is much more (30) . The new high definition sets are made to rival (31) screens.
The var
A. movies
B. video
C. watch
D. telephone
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