The geese are back
Canada geese do not live only in Canada. They spend spring and summer in Alaska（阿拉斯加加州）and northern（北方的）Canada. In autumn, many of the geese migrate（迁徙）to warmer places. They usually fly to northern Mexico（墨西哥）, but lately many began to fly to the south of the USA. This may be because it is warmer there now than it was in the past.
Canada geese fly very fast. They can fly as fast as 100 kilometers per hour. The geese usually travel in groups of about 100, but groups of 1,000 are common. On cloudy days, the geese will fly lower, but on sunny days they can fly as high as 2,500 meters.
Canada geese know when to migrate by checking how long and how warm the days are. They also wait until the young geese learn to fly. When the day becomes shorter and the temperature（气温）gets lower, they know it is time to leave. This is usually at the end of August. A few days before leaving, all the geese get very excited. They start honking（雁叫）and making a lot of noise.
The Canada geese make a “V” shape in the sky when they fly south. This helps them fly more easily through the air. The first goose pushes through the air, and this makes it easier for the other geese to follow. Each goose takes a turn being the first goose.
No one is sure how the geese find their way. Some scientists think that geese use the stars at night to help them know where they are.
【小题1】Where do Canada geese spend spring and summer?【小题2】Why do some geese now fly to the south of the USA?
【小题3】How many geese fly in a group?
【小题4】What do they do when they fly on cloudy days?
【小题5】Why do the geese fly in a “V” shape?
You may know that bees make delicious honey. But do you know that they keep us all alive?
Every year on May 20, it’s World Bee Day. It is a day to thank bees for all they do. Without bees, we wouldn’t have any food! When bees fly from plant to plant, they carry pollen (花粉). The pollen makes new plants grow. Bees not only help flowers grow. They also help fruit and vegetables grow.
It’s also a day to learn about the problems bees are facing. Losing natural living areas, getting sick from chemicals (化学物质) used on crops and higher temperatures are making the numbers of bees drop.
Now people have taken action like looking for technology to help save bees. One example is the robot bee project called Robo Royale. The project uses robot bees to help feed and look after the queen bee. This will make the queen lay (产卵、下蛋) more eggs and make more bees.
FUN BEE FACTS
●85 percent of the world’s flowering plants and about 35 percent of the world’s food crops depend on bees and other animals to grow.
●There are about 20,000 different kinds of bees found all over the world.
●Bees work all day for their queen. The queen is the biggest bee in the hive (蜂箱). She will lay 800,000 eggs in her life.
The things bees do for us | Bees not only produce honey |
An introduction to World Bee Day | ◆ May 20 is a day to ◆ It’s also a day to know that bees are facing the problems, such as |
| People | |
Fun bee facts | ◆ ◆ About ◆ Bees work for their queen the |
填的单词的正确形式。（每空一词）
The ostrich is the largest bird in the world. It lives in nature in Africa, but people raise it all over the world for its meat.
The ostrich has long skinny legs, a big body with small wings, a long neck, and a dangerous long beak. Even though it has wings, it can’t fly. But they are sometimes useful. They help a lot with balance ( 平 衡 ) when the ostrich is running at full speed( 速 度 ) and needs to change directions. The ostrich usually weighs between 200 and 300 pounds and can grow to 9 feet tall. Its large body is covered with feathers.
The ostrich is famous for its speed on the ground. Its powerful legs help it reach speeds of 40 miles per hour! Ostriches can also use their strong legs to kick any enemy or even kill a man or a lion. However, the ostrich will just use its speed to run away from any danger most of the time.
Ostriches eat almost everything, such as plants, insects, and small animals like lizards. They often live in groups. A group will have around ten birds, but some groups even have 100 birds. This way the whole group can help to protect the eggs. Ostrich eggs are the biggest eggs of any animal.
In fact, ostriches don’t put their head in the ground often. What they really do is to lie down and put their head and neck flat on the ground to hide. You can just see their body far away, so it appears as if they have put their head in a hole in the ground. Ostriches can not only kick with powerful feet, but also the 4 inch long claws (爪) on their feet.
| The Ostrich | |
| Living | In nature in Africa and is raised all over the world. |
| Looks | It has long legs, a big body with small wings, a long long beak. Its wings help a lot with balance while running The ostrich is a big bird that is about 9 feet in |
| Abilities | The ostrich is Its high speed can |
| Food and qualities | The ostrich lives on a lot of things, small animals. Ostriches live in groups to |
| Fun facts | The ostrich neck flat on the ground. The ostrich has powerful |
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