A.satellites        
B.challenges               
C.approaches             
D.devices

It can be inferred from the passage that the “greenhouse effect” mentioned in paragraph 3 is __________ .  
A.the direct result of nuclear reactions.    
B.the cause of low temperatures on Mars.
C. caused by the introduction of green plants.  
D.possible means of warming Mars.

Mark the correct option A, B, C or D to fill each of the following blanks.
During the flood, Army helicopters came and tried to evacuate _______injured.  
A.a     
B.an                                  
C.the
D.Ø

John was an efficient worker, but his attitude towards his colleagues and his constant lateness resulted in his ................
A.to be sacked
B.to have sacked      
C.having sacked
D.being sacked

 Our industrial output _____ from $2 million in 2011 to $4 million this year.
A.rises
B.rose
C.was rising
D.has risen

Mark the letter A, B, C, or D on your answer sheet to indicate the most suitable response to complete each of the following exchanges.
Liz is telling Andrew about her first novel.
Liz: "Guess what? My first novel has just been published."
Andrew: "                         "
A.Congratulations! 
B.It's my pleasure.
C.Better luck next time! 
D.It's very kind of you.

Choose the best answer to each of the following questions.
Nam is extremely lazy. He studies ................... in his class.
A.the least      
B.less than 
C. more than 
D. the most

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word(s) for each of the blanks.
            It’s nature of athletic records that they are broken and their place is taken by others. Yet in many sports (61)________there is a mark which isn’t (62)________in itself, but which becomes as legend as athletes try to break it. The most famous of these is the attempt to run the mile in less than four minutes.
            In 1945, the mile record was (63)_______to 4 minutes, 1.5 seconds. And there, for nine years, it stuck. Then, in 1954, a medical student (64)_______Roger Bannister decided to try and break the record. He had been (65)________for this day since running the mile in 4 minutes, 2 seconds the previous year.
            Two other runners set the pace for him and (66)________250 yards to go he burst ahead for the finish. He wrote afterwards: “my body had exhausted all its energy, but it (67)________on running just the same….. Those (68)________few second seemed never-ending. I could see the line of the finishing tape…I jumped like a man making a desperate attempt to save him from danger…” Bannister’s time was 3 minutes, 59.4 seconds. (69)________this record had been broken on many (70)________since, Bannister’s achievement will never be forgotten.

A.happenings
B.events
C.games
D.matches

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions
Fifty minutes are the maximum length of time allotted for the exam.
A.are
B.length                   
C.maximum                 
D.allotted

Choose the best answer to complete the following questions
Tina is only two, so I was amazed................ the picture she drew.
A.in
B.with
C.at
D.on