Choose the best answer to complete each unfinished sentence, substitutes the underlined part, or has a close meaning to the original one.
There will be powerful network of computers which may come from a single computing _______ that is worn on or in the body.
A.device                                 
B.machinery                           
C.equipment               
D.vehicle

Choose the best answer to complete each unfinished sentence, substitutes the underlined part, or has a close meaning to the original one.
No one can predict the future exactly. Things may happen _______.
A.expected
B.unexpected
C.expectedly
D.unexpectedly

You’d better not buy this car.
A.Unless I were you, I wouldn't buy this car. 
B.If I were you, I wouldn't buy this car. 
C.If I were you, I won't buy this car. 
D.Unless I were you, I won't buy this car.

People take certain vitamin pills when they  ___________ .
A.want to develop their muscle.
B.find their bodies are short of something
C. want to prevent their diseases
D.are strong enough to work everything

___________ (54)
A.still
B.also
C.too
D.so

___________ (52)
A.live
B.life
C.live
D.lifes

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.academic                
B.economic                
C.illegal                      
D.overhunt

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.territory                   
B.photography           
C.separate                  
D.desert

Choose the best answer to complete each unfinished sentence, substitutes the underlined part, or has a close meaning to the original one.
Up to now, _______ space exploring still remains _______ very risky, complex, and expensive endeavor.
A.the / the  
B.a / the      
C. a / Ø   
D.Ø / a

According to the text, in the future, _______.
A.it will be difficult for us to select Internet information
B.people will prefer taking a bus to buying a car
C.food will not be sold at shops
D.TV viewers will not be able to escape from seeing a lot of advertising.