[填空题] The earthquake of 26th December 2004 resulted in one of the worst natural disasters in living memory．It was a （31） _____ underwater quake and occurred in the Indian Ocean．It （32） ____ coastlines，communities and brought death to many people． Why do earthquakes happen？ The surface of the earth has not always looked as it does today；it is moving（33）____ （although very slowly）and has done so for billions of years．This is one（34）____ of earthquakes，when one section of the earth （tectonic plate）（35）____ another．Scientists can predict where but not（36）____ this might happen and the area between plates is called a fault line．On one fault line in Kobe，Japan in 1923 over 200，000 people were killed．（37）____，earthquakes do not always happen on fault lines，（38）____ is why they are so dangerous and （39）____． Where do volcanoes happen？ Volcanoes happen where the earth’s（40）____ is thin：lava，dust and gases（41）____ from beneath the earth．They can rise into a huge
A. A．are to
B．should
C．must
D．might

[填空题] The earthquake of 26th December 2004 resulted in one of the worst natural disasters in living memory．It was a （31） _____ underwater quake and occurred in the Indian Ocean．It （32） ____ coastlines，communities and brought death to many people． Why do earthquakes happen？ The surface of the earth has not always looked as it does today；it is moving（33）____ （although very slowly）and has done so for billions of years．This is one（34）____ of earthquakes，when one section of the earth （tectonic plate）（35）____ another．Scientists can predict where but not（36）____ this might happen and the area between plates is called a fault line．On one fault line in Kobe，Japan in 1923 over 200，000 people were killed．（37）____，earthquakes do not always happen on fault lines，（38）____ is why they are so dangerous and （39）____． Where do volcanoes happen？ Volcanoes happen where the earth’s（40）____ is thin：lava，dust and gases（41）____ from beneath the earth．They can rise into a huge
A. A．massive
B．significant
C．great
D．grand