Choose the word or phrase that best completes the sentence or substitutes for the underlined word or phrase.
There are believed ______ over 300 species of trees in El Yunque rain forest in Puerto Rico.




A.to be
B.being
C.they are
D.there are

Choose the word or phrase that best completes the sentence or substitutes for the underlined word or phrase.
Bill Gate, ______ is the president of Microsoft Company, is a billionare.




A.who
B.whose
C.whom
D.that

Choose the word or phrase that best completes the sentence or substitutes for the underlined word or phrase.
In spite of all its ______, medical science knows little about the brain.




A.advantages
B.advances
C.approaches
D.advents

Choose the word that has the main stress placed differently from that of the others.




A.appreciate
B.promote
C.participate
D.introduce

Choose the word that has the underlined part pronounced differently from that of the others.




A.compete
B.sport
C.effort
D.introduce

Choose the sentence which is closest in meaning to the printed one.
Scarcely had the man left when the bomb exploded.




A.The bomb had exploded before the man left.
B.No sooner had the man left than the bomb exploded.
C.The man left and had the bomb exploded.
D.The bomb went off because of the man.

Choose the word that has the main stress is placed differently from that of the others.




A.satellite
B.artificial
C.heritage
D.ancient

A.resources
B.processes
C.products
D.fuels

Choose the word that has the main stress placed differently from that of the others.




A.ignorant
B.continual
C.gigantic
D.indulge

Mark the letter A, B, C, or D on your answer sheet to indicate the word whose bold and underlined part differs from the other three in pronunciation in each of the following questions.




A.approached
B.enforced
C.composed
D.embraced