امتحان اللغة الانجليزية الصف الاول الثانوي السودان pdf 2025

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Part two comprehension (15 marks)

Read the following passage carefully, and then answer the questions following it.

All over the world birds fly from one place to another. There are many reasons for their migration. This migration is studied by scientists. Many birds migrate so as to avoid cold weather. In this way they are able to live in warmer countries all the year around. Moreover, migration helps them to have continuous supply of food. In some areas water is frozen, so food becomes scarce and birds migrate.

Scientists study the migration of birds. They have discovered that birds fly long distances. When they migrate, they follow the same routes. They do this without training; they actually have a certain instinct. They have also observed that birds migrate in flocks. Birds choose the right time for migration. They start their journey when the sky is clear and there is almost no wind. Birds usually prefer to travel at night. They use stars and the moon to help them find their way. However, if the weather is not suitable for migration, they land, rest and feed. Then they start their journey when the weather condition improves.

We can learn about a migrating bird from the metal ring on its leg which is put by a scientist to show the country the bird has migrated from and the date of its migration. New inventions like radars and satellites help to study the migration of birds.

(A) Give short answer (5 marks) 1- Who study migration of birds? 2- What kind of climate do birds prefer? They prefer 3- What do birds do when the weather is not suitable? They 4- Can a bird migrate by itself? 5- How can a scientist know about a country where the bird came from? From

(B) Decide whether the following sentences are true or false (4 marks) 1- Birds are trained to migrate. 2- Birds usually prefer to travel at night. 3- Birds migrate in groups. 4- Scientists all over the world co-operate with each other in studying birds.