《2025年同步练习册山东人民出版社高中英语必修第二册外研版》

Ⅴ. 语法填空（共 10 小题；每小题 1.5 分，满分 15 分）
The Chinese compass, one of China’s Four Great Inventions, 56.was invented_（invent）during the Warring States Period. It was originally shaped like a spoon, with the handle 57.pointing_（point）south. Shen Kuo later improved it during the Song Dynasty, making it important for sea 58.exploration_（explore）. The compass, 59.which_ then spread to the Arab World and Europe, contributed to the discovery of new continents and helped shape world history. The compass works based on the Earth’s magnetic（有磁性的）field, a phenomenon（现象）discovered by observing how natural magnetite attracts iron filings（铁屑）. Before the compass was invented, sailors depended 60.on/upon_ celestial（天空的）navigation（导航）, using the sun and stars to find their way. The compass changed the game by allowing sailors 61.to determine_（determine）direction, even at night or in 62.cloudy_（cloud）weather, greatly improving long - distance travel and discoveries. It is widely recognised that the North Star 63.helps_（help）find the north, yet cannot be seen in the Southern Hemisphere（半球）. The compass, however, can point the way no matter where you are, making it 64.a_ much more practical tool. Even today, the compass remains 65.highly_（high）valuable in helping people find their way in unknown locations.

答案： 56. was invented 57. pointing 58. exploration
59. which 60. on/upon 61. to determine 62. cloudy
63. helps 64. a 65. highly