11、 To speed up the__________ of letters, the Post Office introduced automatic sorting．
A．treatment
B．delivery
C．transmission
D．departure


12、 When carbon is added to iron in proper __________, the result is steel．
A．rates
B．thicknesses
C．proportions
D．densities


13、 A word processor is much better than a typewriter in that it enables you to enter and __________yourtext more easily．
A．register
B．edit
C．propose
D．discharge


14、 These teachers try to be objective when they __________the integrated ability of their students．
A．justify
B．evaluate 
C．indicate
D．reckon


15、 Considering your salary, you should be able to __________ at least twenty dollars a week．
A．put forward
B．put up
C．put out
D．put aside


16、 Mr． Smith says: "The media are very good at sensing a mood and then __________it．"
A．overtaking
B．enlarging 
C．widening
D．exaggerating


17、 The mayor __________ the police officer a medal of honor for his heroic deed in rescuing the earthquake victims．
A．rewarded
B．awarded
C．credited
D．prized


18、 The defense lawyer was questioning the old man who was one of the __________ of the murder committed last month．
A．observers
B．witnesses
C．audiences 
D．viewers


19、 He found the __________media attention intolerable and decided to go abroad．
A．sufficient 
B．constant
C．steady 
D．plenty


20、 Though she began her__________by singing in a local pop group, she is now a famous Hollywood movie star．
A．employment
B．career
C．occupation 
D．profession

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