In the author's view,many endangered languages are_____.
A. remarkable well-kept in this modern world
B. exceptionally powerful tools of communication
C. quite possible to be revived instead of dying out
D. a unique way of bringing different groups together
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The word "it" (Line 3, Paragraph 2) most probably refers to_____.
A. the lack of stable communities
B. the breakdown of informal information channels
C. the increased mobility of families
D. the growing number of people moving from place to place
_____fire tests gold,so does adversity tests courage.
A. Like
B. Alike
C. As
D. Comparing
That contract, with which we had a disagreement last month,has now gone____.
A. through
B. down
C. over
D. around
Though I had tried to explain it as clearly as possible,my explanation seemed not to_____.
A. get up
B. get along
C. get across
D. get down
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