Why does the author list the characteristics of glass in paragraph 1?
A.To demonstrate how glass evolved                        
B.To show the versatility of glass
C.To explain glassmaking technology                       
D.To explain the purpose of each component of glass

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
_______ for a second interview will be informed by mail.
A.Who chosen
B.All chosen
C.If you are chosen
D.Those are chosen

Not until the manager got the right solution to the problem_ _ _ _ _ _ _
A.we must try by ourselves
B.must we try by ourselves
C.have we to try by ourselves.                              
D.we must try for ourselves

I can’t apply for that job because I don’t know English. → If ­­­­­­­­­­­­­­­­­­­­­­­­­­­­________________________________________________
A.
B.
C.
D.

A.begin
B.pastime
C.finish
D.summer

The restaurant has a very ________ menu. Every day there are several delicious dishes to choose from.  
A.variable      
B. variegated  
C. various
D.varied

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer in each of the following questions.
The pool should not be made so deep______small children can be safe there.
A.if
B.so as to
C.though
D.so that

The phrase “these writers” in the first paragraph refers to______
A.ordinary readers
B.ordinary people
C.encyclopedia experts
D.every subjects

Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following question.
Many citizens say that they are _____ of the political policies of the candidates in a local election.
A.ignorance                
B.ignorantly        
C.ignorant          
D.ignoring

_____(13)
A.alike       
B.likeness                              
C.similarities                
D.same