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! 
_____(2)
A.health 
B.healthy
C.unhealthy
D.unhealth

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.
“I really don’t think that he’ll attend the meeting tomorrow.”
A.I doubt that he will attend the meeting tomorrow.
B.I will never forget his attendance at the meeting tomorrow.
C.I did tell you that he would attend the meeting the next day.
D.I don’t agree to his attendance at the meeting.

Mark the letter A, B, C or D on your answer sheet to indicate the word that differs from the other three in the position of primary stress in each of the following questions.

A.emerge   
B.organic 
C.belief    
D.medium

The word “others” used in the first paragraph  refers to                      .
A.other people    
B.other scientists     
C.other children     
D.other geniuses

Why did the author write the passage?
A.Because of the resistance to using the benefits of maggots
B. To explain treatments used before the first antibiotics
C.To demonstrate the important contribution of William Baer
D.To outline the healing power of maggots

________(43)
A.revolutionized
B.adapted
C.modified
D.been changed

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions.
Smoking is an extremely harmful habit. You should give it up immediately.
A.As smoking is an extremely harmful habit, you should give it up immediately.
B.You should give up smoking immediately and you will fall into an extremely harmful habit.
C.When you give up smoking immediately, you will affect your health with this harmful habit.
D.Stop your smoking immediately so it will become one of your extremely harmful habits.

Read the following passage then choose the word A,B,C or D that best fits each of the blank spaces.
More and more young people are ... (35) ... voluntary work abroad. The wild variety of jobs and destinations available is making it an increasingly attractive option for those who have just left school and have a year free before university. Many choose to spend these twelve months working in poor countries. There they will earn little ... (36) ... no money. But they will be doing something useful - and enjoying the experience.
 The work may ... (37) ... of helping the local communities, for example by helping to build new road or provide water supplies to isolated rural villages. Other projects may concentrate more on conservation or environmental protection. ... (38) ... kind of job it is, it is certain to be ... (39) ... and worthwhile, and an experience that will never be forgotten.  
(35)
A.doing  
B.making  
C. taking  
D.getting

Which of the following would be a good location for a broad-tailed hummingbird to build its nest?
A.A branch near the top of a tree.
B.The longest branch of a tree.
C.A thick branch.
D.A protected branch.

They had an arrangement that the children will spend two weeks with each parent.
A.an arrangement
B.that
C.will spend
D.with each parent