A change in reporter’s voice or intonation may indicate ________.
A. a change of event
B. something alarming
C. what is reported is important
D. something interesting
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The course of programming in primary school _______ the way for better employment for the students.
A. creates
B. paves
C. starts
D. makes
The following expression may be used to discuss problems except:______
A. …is to blame
B. ….is valuable …
C. …is vulnerable to…
D. several factors may have caused the …
______efforts must be made to clean up ocean pollution of the earth.
A. Combined
B. Connected
C. Joint
D. Mixed
美国独立战争发生于（）。
A. 1775
B. 1776
C. 1777
D. 1778
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