Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions.
Although it's a long day for us, we are all contented with what we do.
A.interested
B.excited
C.dissatisfied
D.pleased

Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions.
New electronic devices have been developed to satisfy users’ ever-changing needs.
A.constant
B.predictable
C.unstable
D.changeable

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.
We paid for the meal. We wanted to say sorry for what we had done.
A.We paid for the meal in order to say sorry for what we had done.
B.We paid for the meal although we wanted to say sorry for what we had done.
C.In order to pay for the meal, we wanted to say sorry for what we had done.
D.The meal we paid for is what we want to say sorry for what we had done.

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
The tiger is _______ of extinction. It is difficult to find them in the wild.
A.on the verge
B.on the wing
C.on the rocks
D.on the ground

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Peter is much ________ his brother.
A.more young and intelligent than
B.younger and more intelligent than
C.the more intelligent and younger than
D.more intelligent and younger than

What is the topic of the passage?
A.The quality of the environment
B.Bad effects of industrial waste
C.Sources of environmental damage
D.The pollution from the city

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

A.conceal
B.follow
C.conserve
D.contain

(47) ______
A.Nor
B.Or
C.Therefore
D.However

(49) ______
A.maintain
B.replace
C.keep
D.adjust

(50) ______
A.touch
B.sense
C.sound
D.taste