更多"The areas of the map where earth qu"的相关试题:
[填空题]Where do most people live in British town
Most British people in town live in ().
[填空题]Where do most tea trees come from
[填空题]Where do most "tsunamigenic" earthquakes occur
[单项选择]Conversation IIAccording to david,where does most of the food served in the restaurant come from
A. Local sppliers
B. The school’s garden
C. All over the world
[单项选择]Where do most British young people spend their spare time
A. Youth clubs.
B. Service groups.
C. Voluntary organizations.
D. Homes.
[单项选择]Passage TwoA. By noting where the most severe earthquake in U.S. history occurred.
B. By reflecting on Americans’ previous failures in predicting earthquakes.
C. By describing tile destructive power of earthquakes.
D. By explaining some essential geological principles.
[单项选择]
Where are they most possibly
[单项选择]Where most likely is the speaker
A. In an art store
B. At a movie theater
C. At an art museum
D. In a camera shop
[单项选择]Where most likely are the speakers
A. At a restaurant
B. At a fitness center
C. At an airport
D. At a drugstore
[单项选择]Where most likely is the announcement being made
A. At a restaurant
B. At an opening ceremony
C. At a business event
D. At a music concert
[填空题]Where is the most important information usually put
[单项选择]
Earth Rocks on
Most of the time, the ground feels solid beneath our feet. That’s comforting. But it’s also misleading because there’s actually a lot going on underground. Masses of land (called plates)slip, slide, and bump against each other, slowly changing the shape of continents and oceans over millions and billions of years.
Scientists know that Earth formed about 4.5 billion years ago. They also know that our planet was hot at first. As it cooled, its outermost layer, called the crust (地壳), eventually formed moving plates. Exactly when this shift happened, however, is an open question.
Now, an international group of researchers has an answer. They’ve found new evidence suggesting that Earth’s crust started shifting at least 3.8 billion years ago. The new estimate is 1.3 billion years earlier than previous ones.
Not long before 3. 8 billion years ago, lots of asteroids (小行星) were hitting Earth, keeping its crust in a ho
A. Right
B. Wrong
C. Not mentioned