1、The national flower of Mexico is ______.
A、lotus
B、cactus
C、iris
D、daisy
2、A peninsula is a piece of land that extends into a body of water and is surrounded on______sides by water.
A、one
B、three
C、four
D、two
3、The Valley of the Moon is in______
A、Argentina
B、Northern Ireland
C、the Philippines
D、Australia
4、“Algae” means
A、污水
B、淤泥
C、珊瑚
D、海藻
5、Earthquakes can be felt over large areas although they usually last less than one hour
A、错
B、对
6、_______happens when a large mass of snow and ice slides down a mountainside at high speed.
A、Tsunami
B、Hailstone
C、Avalanche
D、Blizzard
7、______ rotate in a counter- clockwise direction （逆时针方向）around the “eye,” which is the center of the storm and the calmest part.
A、Tsunami
B、Blizzard
C、Hurricanes
D、Tornado
8、“Oasis”means
A、绿洲
B、间歇泉
C、湿地
D、泻湖
9、The animal on the Coat of arms of United States is bald eagle
A、对
B、错
10、“Canyon”means
A、冰川
B、绿洲
C、湿地
D、峡谷
