程序中的语句由上往下一次执行的是___________结构语句。
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程序的运行流程图中,处理框用平行四边形来表示。
A. 对
B. 错
Attheborder(边界)youwillbeaskedaboutyour_________andhowlongyouplantostay.
A. automobile
B. event
C. host
D. destination
Everyeffortwasmadetosettlethe_________,butwithoutsuccess.
A. dispute
B. factor
C. civilization
D. evolution
Thepurposeofhisspeechwasto________theproblemofenvironmentalprotection.
A. drawattentionto
B. putdown
C. dependon
D. haveaneffecton