[填空题]After the volcano eruption, Mount Tambora fell by 4,600 feet.

[填空题]After the volcano eruption, Mount Tambora fell by 4,600 feet.

[填空题]Traffic accidents fell greatly in Maryland after they introduced ______.

[填空题]Car sales fell to the May level after a slight increase in June,

[填空题]One of the results of Tambora eruption is that there was no summer in 1816 throughout the whole world.

[单项选择]
Mount Rushmore is a monument to the ideals of the United States. The faces of four presidents who contributed to the formation of the nation are carved on Mount Rushmore in South Dakota. These four presidents are George Washington, Thomas Jefferson, Abraham Lincoln, and Theodore Roosevelt. Each had a vision of what the United States of America should be and shaped the development of the country.
Doane Robinson, the superintendent of the South Dakota State Historical Society, first envisaged the idea of a monument consisting of colossal stone carvings situated in South Dakota in 1923. He proposed the carving of giant statues of historical figures of the Old West, such as General George Custer and Kit Carson into a mountainside. Robinson lobbied for support of the idea, as he believed it would promote tourism in the area. Although many thought the idea was ludicrous, Robinson managed to enlist the support of U.S. Senator
A. ideal.
B. state.
C. president.
D. Rushmor

[单项选择]A. Alison fell in love with Jim. B. Jim fell in love with Alison.
C. Jim wasted a lot of time. D. Jim wasted a lot of energy.