1. According to the traditional view of the origin of the ocean basins, which of the following is sufficient to move the continental plates?
Increases in sedimentation on ocean floors
Spreading of ocean trenches
Movement of mid-ocean ridges
Sinking of ocean basins
Differences in temperature under oceans and continents
2. It can be inferred from the passage that, of the following, the deepest sediments would be found in the
Indian Ocean
Black Sea
Mid-Atlantic
South Atlantic
Pacific
3. The author refers to a conveyor belt in line 13 in order to
illustrate the effects of convection in the mantle
show how temperature differences depend on the positions of the continents
demonstrate the linear nature of the Mid-Atlantic
Ridge
describe the complicated motions made possible by back-coupling
account for the rising currents under certain midocean ridges
4. The author regards the traditional view of the origin of the oceans with
slight apprehension
absolute indifference
【SAT阅读文章模拟一篇】相关文章:
最新
2016-03-02
2016-03-02
2016-03-02
2016-03-02
2016-03-02
2016-03-02