单项选择题

The theory that ocean basins were caused by meteoroid impact______.

A．has fallen into wide dispute ever since it was proposed
B．fails to explain how continents were originated and have changed
C．was discarded as unacceptable immediately after it was proposed
D．rightly explains the formation of most of the ocean basins
<上一题 目录 下一题>
热门 试题

单项选择题
The writer does not believe that______.
A．an asteroid is larger than a meteorite
B．material from space, upon hitting the earth, was eventually distributed
C．the earth, at one time, had craters
D．oceans were formerly craters
单项选择题
In asserting that the organic model might be more serviceable to the restoratioulsts (Para. 3), the author implies that______.
A．the descriptions by Turner and Jordan of the restorationists program conform more closely to the organic model than to the community-participation model
B．the organic model is more consistent than the community-participation model with the principle of restoration
C．the organic model is more consistent with the restorationists' agenda than with the preservationists' program
D．holistic models are more useful to the restorationists than is the dualist model
相关试题