Due to the bad weather the plane was ____ for two hours.
A
【句意】由于天气恶劣，飞机晚点两个小时。
【难点】delay意为“使耽搁，延迟”;cancel意为“取消;终止”;dismiss意为“解雇，解散”;postpone意为“延期，拖延，缓办”，尤指因为某种原因事先作出安排，与delay不同。
Physicsisthepresentdayequivalentof____usedtobecallednaturalphilosophy,from____mostofpresentdaysciencearose.
Nowhereinnatureisaluminumfoundfree,owingtoitsalways____withotherelements,mostcommonlywithoxygen.
Thereis______littleinformationabouthimthatwehave______muchdifficultyfindinghim.