Choose the one word or phrase that best completes the sentence.
He has not developed mentally as much as others at the same age. He's .
A.mentally ill
B.mentally retarded
C.mentally alert
D.mentally restricted

Choose the one word or phrase that best completes the sentence.
He invented a new kind of wheelchair for the ................
A.unemployed
B.poor
C.disabled
D.unhappy

Choose the one word or phrase that best completes the sentence.
He earns his living by taking photographs. He's a! an ................... photographer.
A.amateur
B.professional
C.talent
D.determined

Choose A, B, C or D to complete the passage.
We are all destroying the Earth. The seas and rivers are too (1)_______ to swim in. There is so much smoke in the air that it is (2)____to live in many of the world's cities. In one well-known city, for example, poisonous gases (3)_____cars (4)_____the air so much that policemen have to wear oxygen masks. We have cut (5)______so many trees that there are now vast areas of wasteland all over the world. As a result, farmers in parts of Africa can not (6)____enough to eat. In certain countries in Asia there is so little rice. Moreover, we do not take enough care of the countryside. Wild animals are (7)_____disappearing. For instance, tigers are rare in India now because we have killed too many for them to survive. However, it isn't so simple to talk (8)_______the problem. We must act now before it is (9)____late to do anything about it. Join us now! (10)______the Earth!
________(3)
A.from
B.to
C.off
D.in

Choose A, B, C or D to complete the passage.
We are all destroying the Earth. The seas and rivers are too (1)_______ to swim in. There is so much smoke in the air that it is (2)____to live in many of the world's cities. In one well-known city, for example, poisonous gases (3)_____cars (4)_____the air so much that policemen have to wear oxygen masks. We have cut (5)______so many trees that there are now vast areas of wasteland all over the world. As a result, farmers in parts of Africa can not (6)____enough to eat. In certain countries in Asia there is so little rice. Moreover, we do not take enough care of the countryside. Wild animals are (7)_____disappearing. For instance, tigers are rare in India now because we have killed too many for them to survive. However, it isn't so simple to talk (8)_______the problem. We must act now before it is (9)____late to do anything about it. Join us now! (10)______the Earth!
______(5)
A.below
B.under
C.up
D.down

Choose A, B, C or D to complete the passage.
We are all destroying the Earth. The seas and rivers are too (1)_______ to swim in. There is so much smoke in the air that it is (2)____to live in many of the world's cities. In one well-known city, for example, poisonous gases (3)_____cars (4)_____the air so much that policemen have to wear oxygen masks. We have cut (5)______so many trees that there are now vast areas of wasteland all over the world. As a result, farmers in parts of Africa can not (6)____enough to eat. In certain countries in Asia there is so little rice. Moreover, we do not take enough care of the countryside. Wild animals are (7)_____disappearing. For instance, tigers are rare in India now because we have killed too many for them to survive. However, it isn't so simple to talk (8)_______the problem. We must act now before it is (9)____late to do anything about it. Join us now! (10)______the Earth!
_____(6)
A.growing
B.grow
C.grew
D.grown

Choose A, B, C or D to complete the passage.
We are all destroying the Earth. The seas and rivers are too (1)_______ to swim in. There is so much smoke in the air that it is (2)____to live in many of the world's cities. In one well-known city, for example, poisonous gases (3)_____cars (4)_____the air so much that policemen have to wear oxygen masks. We have cut (5)______so many trees that there are now vast areas of wasteland all over the world. As a result, farmers in parts of Africa can not (6)____enough to eat. In certain countries in Asia there is so little rice. Moreover, we do not take enough care of the countryside. Wild animals are (7)_____disappearing. For instance, tigers are rare in India now because we have killed too many for them to survive. However, it isn't so simple to talk (8)_______the problem. We must act now before it is (9)____late to do anything about it. Join us now! (10)______the Earth!
_______(8)
A.in
B.about
C.with
D.without

Choose A, B, C or D to complete the passage.
We are all destroying the Earth. The seas and rivers are too (1)_______ to swim in. There is so much smoke in the air that it is (2)____to live in many of the world's cities. In one well-known city, for example, poisonous gases (3)_____cars (4)_____the air so much that policemen have to wear oxygen masks. We have cut (5)______so many trees that there are now vast areas of wasteland all over the world. As a result, farmers in parts of Africa can not (6)____enough to eat. In certain countries in Asia there is so little rice. Moreover, we do not take enough care of the countryside. Wild animals are (7)_____disappearing. For instance, tigers are rare in India now because we have killed too many for them to survive. However, it isn't so simple to talk (8)_______the problem. We must act now before it is (9)____late to do anything about it. Join us now! (10)______the Earth!
________(10)
A.Saves
B.Saving
C.Saved
D.Save

Read the passage carefully, then choose the correct answers.
Having a best friend to confide in can bring a positive effect on our emotional health. An evening out with the closest friend may be the best guarantee of a good time. In fact, our best friend can prevent us from developing serious psychological problems such as depression and anxiety.
Best friendship evolves with time - we cannot go out and pick our best friend. We become friends with people who share common interests – at school or through hobbies, for example.
Best friends have usually known each other for years and stuck together through good and bad times. If you haven't got one, perhaps you are being too distant from people, or focusing too much on your work.
A best friend can ________.
A.give us a healthy life
B.go out with us in the evening
C.spend much time finding
D.share joy and sadness with us

Read the passage carefully, then choose the correct answers.
Having a best friend to confide in can bring a positive effect on our emotional health. An evening out with the closest friend may be the best guarantee of a good time. In fact, our best friend can prevent us from developing serious psychological problems such as depression and anxiety.
Best friendship evolves with time - we cannot go out and pick our best friend. We become friends with people who share common interests – at school or through hobbies, for example.
Best friends have usually known each other for years and stuck together through good and bad times. If you haven't got one, perhaps you are being too distant from people, or focusing too much on your work.
Close friends need to ________.
A.study at the same school
B.have the same interests
C.pursue the same hobbies
D.spend time together