One of the most fficult questions in defining sleep is “What are the functions of sleep?”

Mark the letter A, B, c or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions: educate,  eliminate, certificate, dedicate

Choose A, B,C or D on your answer sheet to indicate the underlined part that  needs correction in each of the following questions:

The most he tries, the more he succeeds

The composer Verdi has written opera Aida to celebrate the opening of the Suez Canal, but pera was not performed until 1871

At the Hermitage, Andrew Jackson’s home Tennessee, even his glasses have been left exactlywhere he lay them.

It becoming extremely difficult to grow enough to feed the world’s rapidly increased population

Dinosaurs are traditional classified as cold-blooded reptiles, but recent evidence based eating habits, posture, and skeletal structuralsuggests some may have been warm-blooded.

After a while , the track we have been following became thick underg

Would she go if she _____ ? 

I’m trying to save up for ip to Canada, so I can’t afford buyingmuch at the moment

In my hometown, there is a park_______ has a beautiful lake. 

The car ________ if somebody takes it there. 

The teacher taught her students to look careful to the left and the right at least three times before crossing the high

Mark the letter A, B, C or D on your answer sheet to indicate the word or phrase that is CLOSEST in meaning to the underlined part in each of the following questions: 

In the field of artificial intelligence, scientists study methods for developing computer programsthat display aspects of intelligent behavior. 

Choose the correct answer. "_________ my granfather is old, he still goes jogging."

Cotton fiber, like other vegetable fibers, are composed mostly of celose.

The orangutan’s hands and arc designed for holding and grasping branches its powerful immensely arms enable it to climb and swing in trees without difficulty

Choose the underlined word or phrase that needs correcting: 

What I like about you is your enthusiasm for work. 

Visits to the zoo is a delight to any child

Children’s games, which are amusements involvemore than individual, appear to be culturally universal

This new nice flat looks perfect for  young couple.