Scientists hope to soon in their fight against heart disease.
A. break up
B. break out
C. break through
D. break in
网友回答
A. break up
B. break out
(答案→)C. break through
D. break in
解析:考查动词词语辨析。句意:科学家们希望能尽快在应对心脏病方面有所突破。Break up“分解、打断”;break out“爆发、发生”;break through“突破”;break in“闯入、打断”;按照句意答案选C.