The underlined word "subjects" in paragraph 5 means ______.
A. branches of knowledge studied in a school
B. something to be considered
C. persons experimented on
D. citizens in a country
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【C7】
A. made
B. let
C. sent
D. urged
【C4】
A. hopeful
B. beneficial
C. complicated
D. impossible
The news report tells us that when the crash occurred ______.
A. the ambulances and firemen arrived quickly
B. none of the passengers was killed
C. no additional help was necessary
D. help was long delayed
【C10】
A. empty
B. free
C. blank
D. bare